The third type of plate boundary i.e. transform boundary is the one that conserves plate area.
Hence, the correct option is C.
A plate boundary is a three dimensional surface across which is significant change in motion and velocity of lithospheric plate with adjacent lithospheric plate. Plate boundaries are the edges where two plates meet. There are four types of tectonic plate boundaries (1)divergent boundaries (2)convergent boundaries (3)transform boundaries (4)plate boundary zones. Transform boundary is a fault in the movement of plates only in horizontal direction. It ends abruptly where it connects to another plate boundary. It is a broad zone forming as the pacific plates slides northwestward past the North American Plate, sea floor is the where boundaries are found in extensive numbers.
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The geometry of an ellipse is described by two numbers. The first is the _____________________, which is half the longest diameter of the ellipse, and the second is the ____________________, which tells us the shape of the ellipse.
a. radius; eccentricity
b. radius; deferent
c. semi-major axis; deferent
d. semi-major axis; epicycle
e. semi-major axis; eccentricity
The geometry of an ellipse is described by two numbers. The first is the semi-major axis, which is half the longest diameter of the ellipse, and the second is the eccentricity, which tells us the shape of the ellipse. (E)
In the field of geometry, an ellipse is a kind of shape that only exists in two dimensions and is characterized by being defined along its axes. When a plane cuts through the top of a cone at an acute angle with regard to the cone's base, the resulting shape is called an ellipse. It focuses on two different things at once. It is always the case that the total of the two distances traveled to the focal point does not change at any of the sites along the curve. Because the foci are converging at the same location, which is the center of the circle, a circle can also be thought of as an ellipse.
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Why is pH of a soil would not be constant?
Answer:
In warm, humid environments, soil pH decreases over time through acidification due to heavy rainfall leaching.
Explanation:
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which of the following has the highest albedo? question 43 options: asphalt dry, light sandy soils fresh snow forests
An urban planner is designing a new urban housing development in a currently rural area near an existing city. The urban development will have five 10-story apartment buildings, two basketball courts, a playground with permeable foam pavers, a 10-acre green space with a small man-made pond, one 5-story parking deck, and direct access to the mass transit train line.
Which of the following aspects in the design for this new urban development would most likely have the greatest negative environmental impact?
A) The two basketball courts
B) The five apartment buildings
C) The 10-acre green space
D) The playground
An urban planner is designing a new urban housing development in a currently rural area near an existing city Access to the Option b The five apartment buildings will provide inhabitants an alternative to driving personal vehicles.
The provision of access to the mass transit train line, which will provide residents with an alternative to driving personal vehicles and thereby reduce carbon dioxide gas emissions, is the particular component of the design for this new urban development that is most likely to have the greatest negative impact on the environment.
The surface of permeable foam pavers will allow water to percolate through, filtering out all pollutants. The less pollutants there are, the less carbon dioxide is released into the atmosphere. impervious concrete prevents water from getting into the ground.
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the highest temperature at which magnetic material can retain permanent magnetization is called the
The highest temperature at which magnetic material can retain permanent magnetization is called the Curie temperature.
The Curie temperature (TC), also known as the Curie point, is the temperature above which certain materials lose their permanent magnetic properties, which can (in most cases) be replaced by induced magnetism. The Curie temperature was named after Pierre Curie, who demonstrated that magnetism could be lost at a critical temperature.
The magnetic moment, a dipole moment within an atom that originates from the angular momentum and spin of electrons, determines the force of magnetism. Different materials have different intrinsic magnetic moment structures that change with temperature; the Curie temperature is the critical point at which a material's intrinsic magnetic moments change direction.
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FILL IN THE BLANK. In 55 years, from 1962-2017, the more than 156,000 in Iran earthquakes mostly from a result of ______. poor construction
What is the converse contrapositive and inverse of the conditional statement I go to the beach whenever it is a sunny summer?
"It is not a sunny summer day if I don't go to the beach," is a contrapositive.
Every time a nice summer day comes around, I visit the beach. converse: Every time I visit the beach, the weather is sunny and warm. If I don't go to the beach on a sunny summer day, the opposite is true. Inverse: Whenever it is not a sunny summer day, I avoid going to the beach.
We must first look at the subject of negation before defining the converse, contrapositive, and inverse of a conditional statement. In logic, every claim is either true or untrue. A statement can be negated by simply inserting the word "not" at the appropriate place in the statement.
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The oxygen revolution changed Earth's environment dramatically. Which of the following took advantage of the presence of free oxygen in the oceans and atmosphere?
a. the evolution of chloroplasts after early protists incorporated photosynthetic cyanobacteria
b. the persistence of some animal groups in anaerobic habitats
c. the evolution of photosynthetic pigments that protected early algae from the corrosive effects of oxygen
d. the evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules
e. the evolution of multicellular eukaryotic colonies from communities of prokaryotes
the evolution of photosynthetic pigments that protected the first algae from the destructive effects of oxygen. Therefore, the optimum option is (C).
What does oxygen revolution mean?The Great Oxidation Event (GOE), also known as the Great Oxygenation Event, the Oxygen Catastrophe, the Oxygen Revolution, the Oxygen Crisis, or the Oxygen Holocaust, took place during the Paleoproterozoic epoch, the first time that oxygen levels in the Earth's atmosphere and shallow waters rose.
This began during the Sidereal period, roughly 2.460–2.426 Ga (billion years ago), and terminated during the Rhyacian epoch, roughly 2.060 Ga (billion years ago). Dioxygen, often known as O2, which is created by living things, is thought to have started to accumulate in the Earth's atmosphere and changed.
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which of the following is an accurate interpretation of the properties of the outer core and mantle based on p-wave behavior?
What is land acknowledgment and why is this important?
Answer:
Land acknowledgment is a formal statement that recognizes and respects Indigenous peoples as traditional stewards of the land and the enduring relationship between them and their traditional territories. It is important as a means of acknowledging and addressing the ongoing legacy of colonization and promoting reconciliation and decolonization efforts.
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Ancient India is the Indian subcontinent from prehistoric times to the start of Medieval India, which is typically dated to the end of the Gupta Empire around 500 CE.
What is the meaning of Ancient India?The origin of Indian culture is credited to ancient India. In addition, several well-known religions, including Hinduism, Buddhism, and Jainism, have their roots there. The period was roughly 1500 BCE to 500 BCE, or from the beginning of the Aryan migrations to the age of the Buddha.
Some of India's earliest still-existing literature are the Vedas. The Vedic era, which spanned roughly 1500–500 BCE, laid the groundwork for many facets of Indian subcontinental culture. The Indus Valley Civilization and thus the arrival of the Aryans mark the beginning of India's history.
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You have superhuman strength, and are swimming from Myrtle Beach, South Carolina out towards the middle of the Atlantic Ocean. Which list below correctly describes the order of features you would swim over? O shelf, slope, rise, abyssal plain. O slope, rise, shelf, abyssal plain. O rise, abyssal plain, slope, shelf.O abyssal plain, shelf, slope, rise. O abyssal plain, rise, slope, shelf.
You have superhuman strength, and are swimming from Myrtle Beach, South Carolina out towards the middle of the Atlantic Ocean shelf, slope, rise, abyssal plain correctly describes the order of features you would swim over.
The topography of the ocean floor begins with the continental shields, which extend to a depth of 200 meters, followed by the continental slopes, which extend to a depth of 2000 to 3000 meters, the continental rise, which extends to a depth of 4000 meters, the abyssal plains, which extend to a depth of 6000 meters, and the oceanic trenches, which extend to a depth of approximately 10,000 meters.
Between the continental slope and the abyssal plain, a thick deposit of sediments is known as the continental rise. Sediment typically accumulates in the abyssal plain. More than half of Earth's water surface was covered by an abyssal plain. It is an underwater plain about 3000 to 6000 meters below the surface of the deep ocean.
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1.Compare the number of isotherms across Kansas to Texas in Figure 4B-1. There is roughly a ______°F contrast.
The compared number of isotherms across Kansas to Texas is in Figure 4B-1. There is roughly an 80°F contrast.
What is isotherm?An isotherm is a line linking places with the same fundamental quantity on a map or map. In meteorology, isotherms are frequently used to depict the arrangement of temperature at the Earth's surface or to depict constant level or constant pressure on a map.
Cognition barotropic refers to the special case of a chart where the wind blows parallel to the isotherms.
Therefore, the correct option is d. 80. The isotherm in the area of Texas is 80°F.
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The question is incomplete. The missing options are given below:
a. 10b. 30c. 60 d. 80
On an even smaller scale-such as a single urban city in a river basin-you can see how human activity has affected the water cycle. The illustration on the left is an example of how water flows when there is urban development in a river basin; the ilustration on the right is an example of how water flows in an intact forested area of a river basin. Compare the two diagrams carefully before answering the following question. 25% Transpiration 40% Transpiration 6096 Runoff 10% Runoff 10% shallow infiltration 20% shallow infiltration 590 Deep infiltration 30% Deep infiltration Urban development generally disrupts the natural flow of water in a river basin. Given the information in the illustrations, which of the following are true Check all that apply. a. Unsaturated forested ground cover will likely cause runoff to increase by 50 percentage points compared with impermeable surfaces such as concrete on city sidewalks. b. The higher abundance of vegetation in intact forested areas will increase uptake of water from the soil. This will result in less water in the shallow soil layers compared with developed urban areas. c. Groundwater used to fill underground aquifers will decrease by 25 percentage points in developed urban areas compared with natural forested areas.
Statements B and C are true based on the data presented in the examples. A is a false statement. In intact forested areas, more water is absorbed by the soil through deep infiltration, resulting in less runoff than in urban areas, as shown in the figure to the right.
In actuality, the figure on the left demonstrates how impermeable surfaces like concrete can heighten runoff, while the illustration on the right demonstrates how an unsaturated ground cover of trees can heighten deep penetration and lessen runoff.
The greater amount of flora in unaltered forested regions will boost the soil's ability to absorb water. In comparison to established urban areas, this will lead to less water in the shallow soil layers. As compared to naturally wooded areas, groundwater used to recharge subterranean aquifers will decline by 25% in developed metropolitan areas.
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To protect the riparian area, select a campsite location at least ______ feet away from lakes, streams, etc.
To protect the riparian area, select a campsite location at least 200 feet away from lakes, streams, etc.
The same may be said about selecting a campground. Excellent camping spots are discovered rather than created. Use existing campgrounds wherever possible. Rock, gravel, and dried grasses are all good campground surfaces. Camping at least 200 feet away from lakes and streams is also vital for protecting riparian ecosystems. Finally, when moving to and from the water source, stick to established pathways or carefully plan your path to take advantage of walking on rocks, gravel, and other dry regions.
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A tree's roots absorb water, most of which evaporates from its leaves.
During a rainstorm in a redwood forest, ferns on the forest floor diminish runoff and reduce the risk of flooding.
Forest plants filter sediments and take up nutrients from rainwater, facilitating infiltration to groundwater below.
In the process of photosynthesis, a tree removes carbon dioxide from the atmosphere and produces oxygen.
The roots of a tree prevent soil erosion, and its fallen leaves enrich the soil with nutrients.
Canadian forests are home to about 70% of Canada's terrestrial species.
The entrance fees paid to visit forests in U.S. national parks total over $100 million per year.
A tree's roots absorb water, most of which evaporates from its leaves A. During a rainstorm in a redwood forest, ferns on the forest floor diminish runoff and reduce the risk of flooding.
Visitors to Wood the national and state Campgrounds should indeed be prepared for a variety of weather conditions at all times of the year. Costume in layers to be ready for anything. Pack rain gear and dress in sturdy comfy shoes or leather shoes with non-slip soles—the wilderness and coast can be slippery in the wet.
Monthly rainfall in Redwood National Park varies greatly by season. From November 8 to June 20, the rainy season lasts 9.4 months, with a movable 31-day rainfall of at least 3.5 cm.
Redwood State Park stretches along the northern California coast. The climate is generally mild and damp. Daytime average temperatures are from the mid-60s in the summer to the low-40s in the winter.
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Name the stages of the water cycle.
precipitation
runoff
condensation
evaporation
groundwater
Answer:
here is the answer in the picture
Explanation:
I filled it out for you
The water cycle is a continuous process that describes the movement of water on, above, and below the Earth's surface. It consists of several stages that work together to maintain a constant supply of water on the planet.
The first stage of the water cycle is evaporation, where water from oceans, rivers, lakes, and other bodies of water is transformed into water vapor due to the heat of the sun. The second stage is condensation, where the water vapor rises into the atmosphere and cools, turning back into liquid water droplets that form clouds.
The third stage is precipitation, where the clouds release the water droplets in the form of rain, snow, sleet, or hail, which fall to the ground. The fourth stage is runoff, where the precipitation flows over the land, into streams, rivers, and oceans, replenishing the bodies of water that were the source of the evaporation in the first stage.
The fifth stage is infiltration, where some of the precipitation seeps into the ground and becomes groundwater. Groundwater is an important source of water for many communities, as it can be stored underground for long periods of time and accessed through wells or springs.
Overall, the water cycle is a crucial process that ensures the availability of water for all living organisms on the planet. It is impacted by human activities such as deforestation, pollution, and climate change, which can affect the amount and distribution of precipitation, and the availability of groundwater.
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Which of the following tools of public land use control represents the earliest method of police power to regulate land use? (Hint: Standards for energy efficiency and sustainability are the most recent trends in the application of this land use control)
Building Codes
The tools of public land use control represents the earliest method of police power to regulate land is Building Codes. The correct answer is C.
Building codes are one of the first ways that the government has used force to limit land usage. Building codes are a set of regulations that specify the requirements that must be satisfied in a certain area in order to create a structure.
Building rules typically specify areas to avoid, such as those close to rivers, streams, and other bodies of water, in the context of land use. Additionally, there is area set aside for public parks. One of the oldest methods of policing land use was the application of building codes.
Your question is incomplete but most probably your full question was
Which of the following tools of public land use control represents the earliest method of police power to regulate land use? (Hint: Standards for energy efficiency and sustainability are the most recent trends in the application of this land use control.)
A. Subdivision regulation
B. Zoning
C.Building Codes
D. Planned Unit Developments
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Question 4 of 15
What conditions will increase a nation's Human Development Index?
Check all that apply.
A. A commitment to the education of its population
B. The highest gross domestic product in the world
C. Long work hours
D. People who live longer than the world average
The following conditions will increase a nation's Human Development Index.
A commitment to the education of its populationThe highest gross domestic product in the worldPeople who live longer than the world's averageThe correct options are A, B, and D.
What should be done to increase the human development index?The HDI takes three factors into account: life expectancy at birth, literacy rate, and per capita income. We must improve these three areas in order to directly increase the HDI. We must improve our healthcare systems and overall social health in order to increase life expectancy.
India's HDI scores can be significantly improved if a politically committed government implements inclusive policies that strengthen public health, education, and nutrition, as well as end gender discrimination, to usher in a more egalitarian order.
Thus, the ideal selection is options A, B, and D.
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studies of seismic waves detected by the seismographs placed by the apollo astronauts have indicated that ____ may have a small liquid core. we must be cautious, however, since we do not have total seismograph coverage of _____. since _____ has ______ despite its slow spin, we suspect that its core is metallic, and at least partially molten, since this would ______ the electric currents required to generate a magnetic field.- not a magnetic field
- facilitate
- prevent
- mercury
- a magnetic field
- the moon
The correct sequence order of blanks is Moon, Moon, Mercury, magnetic field, faciliate respectively.
Studies of seismic waves detected by the seismographs placed by the Apollo astronauts have indicated that the Moon may have a small liquid core. We must be cautious, however, since we do not have total seismograph coverage of the Moon.
Since Mercury has a magnetic field despite its slow spin, we suspect that its core is metallic and at least partially molten, since this would facilitate the electric currents required to generate a magnetic field.
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questions: what does foliated mean? list 3 rocks that are foliated from slide 1. what does non-foliated mean? which of the rocks from slide 1 are non-foliated? what are the two extreme factors that create metamorphic rocks? under extreme heat and pressure, what two types of rocks can shale become? which of the metamorphic rocks listed on slide one came from an igneous rock? which of the metamorphic rocks listed on slide one could have originally been sea shells? which of the metamorphic rocks could be found deep under the desert floor? where would you find metamorphic rocks - deep under the earth's surface or on top of earth's surface? why? match the original stone with the metamorphic rock it becomes after extreme heat and pressure below.
Foliation is a texture in metamorphic rocks that gives them a layered or banded appearance due to the alignment of minerals or the presence of alternating layers of different minerals.
1)Three rocks that are foliated from slide 1 are:
Slate
Schist
Gneiss
2)Non-foliated means that the rock does not have a layered or banded appearance.
The non-foliated rock from slide 1 is Marble.
The two extreme factors that create metamorphic rocks are heat and pressure.
Under extreme heat and pressure, shale can become slate or phyllite.
3)The metamorphic rock that came from an igneous rock is Schist, which can form from the metamorphism of mafic or intermediate igneous rocks.
The metamorphic rock that could have originally been sea shells is Limestone, which can form from the metamorphism of calcium carbonate-rich sedimentary rocks.
4) The metamorphic rock that could be found deep under the desert floor is Gneiss, which can form from the metamorphism of various rock types under high heat and pressure.
5)Metamorphic rocks can be found both deep under the Earth's surface and on top of the Earth's surface. However, they are more commonly found deep under the Earth's surface because metamorphism occurs at high pressure and temperature conditions that are typically found at greater depths in the Earth's crust.
6) Matching the original stone with the metamorphic rock it becomes after extreme heat and pressure:
Sandstone -> Quartzite
Shale -> Slate or Phyllite
Limestone -> Marble
Granite -> Gneiss or Schist
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decide which region of the united states best matches the descriptions below. question 1 (1 point) large industries question 1 options: north south west
There are significant industries in every region of the United States, but historically the heavier sectors like steel, automobile production, and other industrial industries have been associated with the Northeast and the Midwest.
Therefore, the North is the area that most closely resembles the industries of "big industries." The five distinct geographic regions of North America are the Caribbean, the Great Plains, the Canadian Shield, the mountainous east, and the west. While the lowlands and coastal plains of Mexico and Central America reach into the eastern part of the continent, their western shore is connected to the west's mountainous region.
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How does the understanding of the earth help to locate natural resources
Answer: Knowing geography and indicating where things are important
Explanation:
Which of the following is the most convincing piece of evidence set forth to support the concept of sea floor spreading?
A) The correlation of rocks found in adjacent positions on matching continents.
B) The mid-ocean ridge is entirely volcanic in origin.
C) The mid-ocean ridge rises more than 2.5 kilometers above the surrounding deep-ocean floor.
D) The oceanic pattern of alternating reversals of Earth’s magnetic field.
E) None of the above
The most convincing piece of evidence set forth to support the concept of sea floor spreading is the oceanic pattern of alternating reversals of Earth's magnetic field, option D.
As magma rises from the mantle and solidifies into rock at the mid-ocean ridge, it records the Earth's magnetic field at that time. Over time, the polarity of the Earth's magnetic field flips, resulting in a pattern of stripes on the ocean floor of rocks with normal and reversed polarity. This pattern has been observed on both sides of the mid-ocean ridge and is consistent with the idea that the ocean floor is spreading apart from the mid-ocean ridge. The correlation of rocks found in adjacent positions on matching continents (option A) and the fact that the mid-ocean ridge is entirely volcanic in origin (option B) are also consistent with the idea of sea floor spreading, but they are not as direct and compelling as the magnetic striping pattern. The fact that the mid-ocean ridge rises more than 2.5 kilometers above the surrounding deep-ocean floor (option C) is not directly related to sea floor spreading.
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which of the following geographic features most likely contributed to the lack of cultural consistency and political unity among the greek city-states?
The mountainous terrain of Greece's geographic features most likely contributed to the lack of cultural consistency and political unity among the greek city-states.
Greece is the most southerly country in Europe and has the longest coastline. Although the nation's mainland is home to rough mountains, forests, and lakes, thousands of islands dot the aquamarine Aegean Sea to the east, the Mediterranean Sea to the south, and the Ionian Sea to the west, making up the nation's most famous feature.
The Peloponnese, a peninsula south of the mainland, is included in the country's three geographical regions along with the mainland and the islands.
One of the world's deepest gorges, the 3,600-foot (1,100-meter) Vikos Gorge, can be found in the mainland Pindus mountain range. At 9,570 feet (2,917 meters) above sea level, Mount Olympus is the highest mountain in Greece. The gods' residence, according to ancient Greeks.
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What geographic features most likely contributed to the lack of cultural consistency and political unity among the greek city-states?
Need help on this word search
The search on the hidden word is the game activity. It was the search the word on the box are:
Enlightenment: second line eight word was the stated. What is a hidden word?The term hidden words refers to based on the search those words are the mixing on the letter box. It was the hidden in the main theme was the related. The hidden is the game activity.
According to the search on the hidden word are the interesting game activity was the related to the ancient India. The most of the word are the already search it as the find the "Enlightenment" is the based on the second line eight word was the stated.
As a result, the significance of the hidden words are the aforementioned.
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Based on the distribution of the Hawaiian Islands and Emperor Seamount chains (upper diagram in the accompanying figure), how did the direction of Pacific plate movement change over the past 60 million years?
A. The direction of Pacific plate movement has changed from generally westerly motion during 60-40 m.y. to a northerly motion during 40 m.y. to present.
B. The direction of Pacific plate movement has remained unchanged over the past 60 million years.
C. The direction of Pacific plate movement has changed from generally northerly motion during 60-40 m.y. to a northwestern motion during 40 m.y. to present.
D. It is not scientific to make conclusions about the direction of Pacific plate movement on the basis of submerged seamount chains such as the Emperor Seamount chains.
Based on the distribution of the Hawaiian Island, the direction of Pacific plate movement has changed from westerly motion during 60-40 m.y. to a northerly motion during 40 m.y. to present. The right answer is A.
In the northwestern Pacific Ocean, the Hawaiian-Emperor Chain exhibits a prominent 60° bend that has been variously interpreted as the result of a sudden change in the Pacific plate motion during the Eocene, a fast southward drift of the Hawaiian hotspot prior to the bend's formation, or a combination of the two.
Mantle flow modelling implies that the Hawaiian hotspot moved 4–9° south between 80 and 47 Ma, despite palaeomagnetic evidence from the Emperor Seamounts being unclear in terms of restricting it.
The correct answer is option A.
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One strength of the Taffe et al (1964) model is it transition from indicates how à can make a the model Country one stage of to another, True or False
One strength of the Taffeet al (1964) model is it transition from indicates how à can make a the model Country one stage of to another. The statement is false.
What do you mean by Statistical model?A quantitative representation or mathematical model of the collected data is referred to as a statistical model. Data analysts are better able to comprehend and analyze information effectively when they apply various statistical models to the data they are analyzing.
This thesis's interdisciplinary methods of modeling and analyzing metropolitan development are its greatest asset.
Therefore, One of the model's strengths, as stated by Taffeet al (1964), is its shift from one level of to another. The assertion is incorrect.
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FILL IN THE BLANK. The amount of aluminum on the earth today relative to the amount 100 years ago when Al was first commercially extracted from bauxite, an aluminum containing ore, is essentially _______________
The amount of aluminum on the earth today relative to the amount 100 years ago when Al was first commercially extracted from bauxite, an aluminum containing ore, is essentially 55%.
The Hall–Héroult process is the primary business manner for smelting aluminum. It entails dissolving aluminum oxide (alumina) (received most customarily from bauxite, aluminum's leader ore, thru the Bayer manner) in molten cryolite, and electrolyzing the molten salt bath, commonly in a purpose-constructed cell. More than 90% of the world's bauxite manufacturing is used to make alumina with maximum of the last 10% utilized by the abrasive, refractory and chemical industries. Bauxite is utilized in a whole lot of industries just like the chemical enterprise, refractory, abrasive, cement, steel, and petrol enterprise among others. In chemicals, bauxite in conjunction with alumina is used withinside the production of aluminum chemicals. In refractory, it's far used as a uncooked fabric for making numerous products.
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The reign of Domitian was marred by two disasters: the eruption of Mt. Vesuvius in 79 and a devastating fire at Rome in 80. a. True b. False.
The reign of Domitian was marred by two disasters: the eruption of Mt. Vesuvius in 79 and a devastating fire at Rome in 80. This statement is false.
Domitian became Roman Emperor from eighty one to ninety six CE and his reign, despite the fact that certainly considered one among relative peace and stability, have become engulfed in each worry and paranoia. Domitian, Latin in complete Caesar Domitianus Augustus, unique name (till advert eighty one) Titus Flavius Domitianus, (born Oct. 24, advert 51—died Sept. 18, advert ninety six, Rome [Italy]), Roman emperor (advert eighty one–ninety six), recognised mainly for the reign of terror below which outstanding individuals of the Senate lived throughout his closing years. Nerva have become emperor at once after Domitian's homicide in ninety six AD. He had a life-time of provider to Rome and its emperors, and had served as consul twice, in seventy one and ninety AD.
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