The Clean Air Act has undergone revisions and enhancements. The United States initiated the first steps to maintain clean air.
The Clean Air Act was first formed in 1970 with the intention of safeguarding citizens and the environment at large against air pollution. Different ailments and environmental deterioration could be brought on by air pollution. The Clean Air Act was improved and modified as a result of a 1990 legislative amendment. Reducing acid rain, hazardous emissions that might destroy the ozone layer and lead to a variety of respiratory diseases in people, and improving visibility were all necessary. The United States initiated the first steps to maintain clean air. This choice is incorrect because the US Environmental Protection Agency was established in 1970. However, the signing of the amendments on November 15, 1990, which laid the groundwork for ozone layer protection, improved air quality, and increased visibility, marked an important turning point in maintaining clean air.
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If Si is the average salt content of the incoming seawater and So is the average salt content of the exiting surface water in an estuary, the fresh water in the exiting mixed water is ______.
If Si is the average salt content of the incoming seawater and So is the average salt content of the existing surface water in an estuary, the fresh water in the exiting mixed water is (Si - So)/Si.
What is salt content?Salt, commonly known as sodium chloride, is composed of roughly 40% sodium and 60% chloride. It is used to flavor food and as a binder and stabilizer. It also serves as a food preservative since germs cannot live in the presence of a high concentration of salt.It is often determined by ashing the meal at 500°C and then estimating the sodium content by spectrophotometry, using its distinctive light emission or absorbance in a flame (AAS, ICP, or flame photometer).(Si - So)/Si is the fresh water in the existing mixed water.Therefore, if Si is the average salt content of the incoming seawater and So is the average salt content of the existing surface water in an estuary, the fresh water in the exiting mixed water is (Si - So)/Si.
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Should we protect native British species against invasive species? Justify your view?
Answer:
I think yes, you should protect native British species because invasive species can be harmful to the land and they can destroy the envorment that the native species live in making the native species suffer and maybe go extinct. invasive species like the Asian carp, can also affect humans as well and have a domino effect on all surroundinglife around an invaded area. so yes, you should protect them.
Why is it important for scientists to be objective?
A. So they can perform reliable experiments
B. So they can earn more money
C. So they can become famous
D. So they can get more funding from companies
Answer:
A. So they can perform reliable experiments.
Explanation:
It is important for scientists to be objective because if they are not, they would not get the right conclusion.
Hope this helps!
Kashmir is famous for?
Answer:The beauty of this location has made it a favored destination for tourists all over the world! Jammu is really famous for its temples, mean while Kashmir Valley is known for its beautiful lakes and gardens.
Which fruit is famous Kashmir?
The apple of course! Kashmir is most famous for its apple fruit production, the state is becoming a leader of strawberry as well production in India!
How expensive is Kashmir?
You could spend ₨1,767 $24 per day on your vacation in Jammu and Kashmir, which is normal price based on the expenses of other visitors. Past travelers have spent, a norm of ₨379 ($5.23) on delicious meals for one day and ₨177 ($2.44) on local transportation!
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-Tobie
Link 2 of the mechanism shown rotates about the z-axis w.r.t. the ground (Link 1) at a constant 2rad/s. Link 3 rotates about a pin joint currently aligned with the y-axis at a constant -3rad/s. What is the angular velocity of the link
The angular velocity of the link is going to be w₃₀ = -3j + 2k
What is angular velocity?This can be defined to mean the rate of change at which the angular position of a body would rotate. It is the time rate at which it known to revolve around an axis.
How to solve for the angular velocityThe angular velocity of the second link with respect to the ground is said to be w20 = 2k
That of link 3 is said to be w32 = -3j
We have to us formula of angular velocity to write the equation. This would be written as
w20 + w32
w30 = -3j + 2k
Complete questionLink 2 of the mechanism shown rotates about the z-axis w.r.t. the ground (Link 1) at a constant 2rad/s. Link 3 rotates about a pin joint currently aligned with the y-axis at a constant -3rad/s. What is the angular velocity of the link
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The rigid portion of earth composed of the crust and the uppermost part of the is the?
The rigid portion of earth composed of the crust and the uppermost part of the mantle is the lithosphere.
The solid and outer part of the Earth is referred to as lithosphere. The lithosphere constitutes the brittle upper portion of the mantle and the crust which is the outermost layer amongst all the layers of Earth’s structure. The lithosphere can be further divided into two categories. One is the oceanic lithosphere and the other is continental lithosphere.
Oceanic lithosphere is associated with oceanic crust. They are found in the ocean basins. Continental lithosphere is associated with the continental crust.
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Southern California is famous for its wildfires, which are often exacerbated by the Santa Ana winds blowing through the canyons. What mass wasting event will later devastate the same fire-affected areas
The mass wasting event which will later devastate the same fire-affected areas is called Mudflows
Why do mudflows happen?
Mudflows occur when significant amounts of water collect to quickly erode soil on a steep slope. Mudslides happen when a lot of water builds up and quickly erodes the soil on a steep slope. As a result of heavy rain, for example, water seeps into the soil and separates the soil grains.
A muddy substance's starting point for flow is influenced by its particle size, water content, and topographical slope. In contrast to coarse sediment or a debris flow, shallower flows can transport fine-grained particles like mud or sand. A mud flow can start more easily when there is more water present (more precipitation or overland flow).
Coarser material may be swept up by a mud flow after it forms. Finer sediment and water that pools up behind the flowing front of the coarse-grained mudflow push the coarser silt that was taken up by the flow and often forms the front of a mudflow surge.
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What is shap of the earth.
Answer:
The Earth is an irregularly shaped ellipsoid.
While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not adequately describe the Earth's unique and ever-changing shape.
if you know alot about sci feel free to help me!
Answer:
E is correct for sure but I'm not sure with D.
Explanation:
according to Alfred wegener all the continents were joined but later separated after million years so the coast of South America and West coast of Africa must be like a puzzle pieces when matched it must join.
the question also says that he uses geological and fossil evidences so I thought another answer must be from fossils so that's why it's either C or D.
imagine yourself as a farmer owning land which is infertile.
How would uh convert it into a fertile farmland
Answer:
Water harvesting: Since the soil was eroded, they first set up water harvesting structures, such as swales, trenches, percolation tanks. These systems increased the efficiency of water use, recharged four existing borewells (which were not effective) and ensured a regular supply without taking from the reservoir.
Sapling plantation: Water harvesting is incomplete without planting. Saplings from government and private nurseries were used in the first plantation cycles. A nursery was set up to host young trees and plants which were later planted at Polam. The goal was to revive soils and life by planting diverse species.
Fencing: In an arid region, fires are common. To avoid damage, live fences were raised around the boundaries, and windbreaks such as huge teak trees were planted to brave the South wind blowing from the reservoir. Fruit trees have now fully reforested another 2 hectares acre of the farm. The fruit forest has become a new habitat for insects, animals and birds.
Regenerate through biodiversity: In the rest of the land, trees and plants have been scattered between local species, which adapt to the dry land climate, and tropical species. Although some died, diversification ensures that there is regeneration of life.
Animals: Animals playing a key role in regeneration. Chickens, bullocks and cows were integrated in the everyday activities. The chickens provide eggs and their excreta enriched compost. Bullocks are used for ploughing and sowing.
Local crops: Local crops such as millets, pigeon peas, green grams are also grown. Seasonal vegetables from the garden such as brinjals, curry leaves, cluster beans, rosella plants are used for daily consumption and will also be served to the 600 participants at the IPC.
Rolly and Leota are married and will file a joint return. They had combined wages of $256,000 in the tax year. This amount included $18,000 in net profit from a rental home. They had no other income or adjustments. What is their net investment income tax
The net investment income tax of Rolly and Leota combined equals to $540.
What is a net investment income tax?This refers to the tax that is applicable to income received from investment assets (before taxes) such as bonds, stocks, mutual funds, loans, and other investments.
This net investment income tax was imposed as through the passage of the Health Care and Education Reconciliation act 2010 and states that the Net investment income tax is liable to 3.80% tax and it applies to individuals have with an NII and MAGI above certain thresholds.
Net investment income tax= Net profit from rental income * 3.8%
= $18,000 * 3%
= $540
Therefore, the net investment income tax of Rolly and Leota combined equals to $540.
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Read the following descriptions of rocks and layers, and identify the likelihood of each being a good aquifer by grouping them into high and low likelihoods
Low:
Granite (igneous rock) with very few to no cracksGneiss (metamorphic rock that used to be granite and underwent intense pressure)High:
Unconsolidated gravel and sandConglomerate (sedimentary rock composed of various sizes of sediment such as pebbles and sand grains)Sandstone (sedimentary rock composed of sand grains)These are the following descriptions of rocks and layers.
Layers of rocks are also called strata (plural form of Latin strata), and stratigraphy is the science of strata. Stratigraphy deals with all the properties of layered rocks. We need to find out how these rocks relate to time.
Igneous rocks are formed from lava deep in the earth.
Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons.
Metamorphic rocks are formed from other rocks that have been altered by subterranean heat and pressure.
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A landowner owned a large tract of land in an area zoned for medium residential use. Permitted uses in this zone
Answer:
landowner owned a large tract of land in an area zoned for medium residential use. Permitted uses in this zone are single-family dwellings, condominium and townhouse developments, and moderate density apartment complexes.
Darker colored rocks that are rich in iron and magnesium are are referred to as being ____________________ in composition.
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Darker colored rocks that are rich in iron and magnesium are are referred to as being Ferromagnesian Minerals in composition.
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____________________explaination of tarbela dam
If a person indeed has diabetes, the percentage of test results that represent a false negative is %. the percentage of test results that represent a false positive is %.
If a person indeed has diabetes, the percentage of test results that represent a false negative is 0.01%. the percentage of test results that represent a false positive is 0.15%.
What is diabetes?When someone has diabetes, their body either produces insufficient insulin or uses it improperly.
A chronic (long-lasting) medical disease called diabetes affects how the body converts food into energy.
The majority of the food we consume is converted by the body into sugar (glucose), which is then released into the circulation.
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Geographers use maps, satellite images, and photographs to organize the world in a(n)______Context
A
erosional
B
plate tectonic
C
spatial
D
fluid
Answer:
The answer to your question is C. spatial
Explanation:
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which European countries have dependencies in the west indies
Each blank box points to a feature of the Basin and Range (early, middle, and late stage). Correctly identify these features using the provided terms. Drag the appropriate labels to their respective targets.
Correct identities of these features using the provided terms given in the image.
Basin and Mountain Range Topography
In geology, a basin is defined as a boundary area where the rocks within the boundary slope inward toward the center. In contrast, a mountain range is a series of mountains or hills that form a series of lands higher than the surrounding area.
Basin and Range Province, a dry geographic state that occupies most of the western and southwestern United States. The region includes much of Nevada, the western half of Utah, southeastern California, and southern Arizona, and extends to northwestern Mexico.
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Match each of the following processes with one of the three zones shown on the figure of a river system.
The three zones to be to be classified of a river system are as following:-
Zone of sediment production (Streams in the mountain)Zone of sediment transportation (River in between the mountain and shore)Zone of sediment deposition (Streams that end at the shore)Explanation:-Production of sediment will fall under initial zones. Sediment may be created in a variety of ways, such as when igneous and metamorphic rocks are exposed to wind and water and weather. decay of the wildlife and plants. However, the majority of sediments are produced when rocks are broken down by streams, rivers, and other moving bodies of water. Rocks may also be weathered extensively by wind. sediment formed by the weathering of rocks is found in the first zone.
The second zone will cover sediment transport. The slope (which may be caused by any type of landform) allows the produced sediment to flow and travel downhill, according to the diagram.
Under the third zone, sediment deposition occurs. Because the flow of the streams ceases at the bottom, all carried silt will be deposited there.
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Does anyone know the answers to these
Answer:
air rising is low pressure
Air sinking is high pressure
Explanation:
Answer:
Air rising-Low
Air sinking-High
In the oceans, place-to-place differences in water temperature and other characteristics are most prominent:____-.
A) at the bottom
B) in tropical latitudes
C) near the surface
D) in polar latitudes
E) at depths below a few hundred meters
In the oceans, place-to-place differences in water temperature and other characteristics are most prominent near the surface.
The temperature of ocean water varies by location, it has place-to-place differences both in terms of latitude and depth, due to variations in solar radiation and due to the physical properties of water. The ocean surface temperature is the water temperature which is close to the ocean's surface.
The surface temperature of the world's oceans varies mainly with latitude. The warmest waters are generally near the equator and the coldest waters are in the Arctic and Antarctic regions.
There are four factors which are the reason behind temperature variation near the surface, they are- latitude, altitude, ocean currents, and distance from the sea.
Hence, option C is correct.
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The main feature distinguishing a hurricane from an ordinary tropical storm is that ____.
The main feature distinguishing a hurricane from an ordinary tropical storm is that wind speeds are greater in a hurricane. This is further explained below.
What is a hurricane?Generally, A hurricane is a tropical storm with sustained winds of at least 74 miles per hour, which is the definition of a hurricane. The storm's eye is typically between 20 and 30 miles wide, although it may reach as far as 400 miles or more. Torrential rain, strong gusts, and a storm surge are all potential hazards during a storm.
In conclusion, tropical storms; To describe these systems, "tropical" alludes to their genesis in tropical waters. Their winds move in a circle, spinning around a clear eye in the center, and blow counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere, respectively.
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Using complete sentences, investigate the effects of nuclear testing on the Pacific Islands. Consider which countries tested weapons, the long-term results, and what changes resulted from the South Pacific Nuclear Free Zone agreement.
Answer:
There were many countries testing nuclear weapons on the Pacific Islands. These countries included the U.S. and much of Europe. There was death, sickness, and genetic abnormalities happening to those who were exposed to the radiation. It also caused widespread environmental damage and fallout contamination.
Explanation:
After doing research and studying my notes, this is a version of the paragraph needed to answer this question.
Answer:
There were many countries testing nuclear weapons on the Pacific Islands. These countries included the U.S. and much of Europe. There was death, sickness, and genetic abnormalities happening to those who were exposed to the radiation. It also caused widespread environmental damage and fallout contamination.
Explanation:
Which mountain range dominates the peninsula, running like a backbone down italy toward the south?
The Apennine Mountain Range dominates the peninsula, running like a backbone down Italy toward the south.
The Apennine mountain Range is also called the Apennines, which is a series of mountain ranges bordered by narrow coastlands that form the physical backbone of peninsular Italy.
The Apennine Mountains are a mountain range which consists of a parallel smaller chains extending about 1,200 km along the Italian peninsula towards the South, where they end at Reggio di Calabria, the coastal city at the tip of the peninsula.
Thus, the Apennine Mountains are commonly considered as the "Spine of Italy". As they stretch some 750 miles from the Ligurian Alps in the north west down to Reggio Calabria in the south, close to Sicily.
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In the electromagnetic spectrum, visible light occupies the band between 0.4 and 0.7:_____.
a. meters
b. feet
c. micrometers
d. millibars
e. Kelvins.
The electromagnetic spectrum, visible light occupies the band between 0.4 and 0.7 in "Micrometers"
The electromagnetic spectrum is the range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies.
Electromagnetic radiation is consists of waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays. All of these waves form part of the electromagnetic spectrum.
Electromagnetic radiation is produced whenever a charged particle changes its velocity i.e., whenever it is accelerated or decelerated. The energy of the electromagnetic radiation thus produced comes from the charged particle and is therefore lost as it gets discharged.
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Define grassland ecosystem.
Answer:
Grasslands are areas where the vegetation is dominated by grasses. However, sedge and rush can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur naturally on all continents except Antarctica and are found in most ecoregions of the Earth.
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Which description identifies the lithosphere?
Question 3 options:
a.made up of the upper mantle and composed of cool, rigid rocks
b.made up of the upper mantle and composed of rocks that behave like plastic
c.made up of the crust and a portion of the upper mantle and composed of rocks that are rigid
d.made up of the crust and a portion of the upper mantle and composed of rocks capable of gradual flow
Answer:
D is the correct answer
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Draw and labelled diagram of the rain guage
The above pic is rain gauge labelled diagram
Answer:
The above is a labeled diagram of a rain guage
Gondwana moved northward during the Carboniferous, and periods of sea level rise/fall due to melting/advancing glaciers caused unique cyclic rock sequences of nonmarine and marine deposition. These are called ____________________.
Gondwana moved northward during the Carboniferous, and periods of sea level rise/fall due to melting/advancing glaciers caused unique cyclic rock sequences of nonmarine and marine deposition. These are called cyclothems.
In geology, cyclothems are alternating stratigraphic sequences of marine and non-marine sediments, sometimes embedded with coal seams. Historically, the term was defined by European coal geologists working with coal pans formed during the Carboniferous and early Permian periods.
The deposit sequence has been exhaustively explored by petroleum geologists using geophysical profiles of continents and ocean basins. A common theory of basin-scale sedimentation is formalized under the name sequence stratigraphy.
Since the Carboniferous was a widespread ice age in the Southern Hemisphere, it is likely that several cyclothems formed as a result of oceanic regressions associated with the growth and collapse of ice sheets, respectively. A more common interpretation of the sequence gives rise to Milankovitch cycles.
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