The star's core is very hot which creates pressure within the gas and this stops the stars from collapsing from their self-gravity.
The outward pressure created by nuclear fusion helps the Sun from collapsing from its gravity. The inner parts of the sun are hooter and thus the atoms in the central region move faster than the atoms in the outer region.
Consequently, they push outwards and hold the sun at its point. Gravity pulls everything but the pressure of the stars helps them to remain in their positon.
If the inner atoms stop creating pressure outwards then the sun will collapse and loose its position.
The sun contains most of the mass of the solar system and therefore it is heavier than any other star in the solar system. But it is also hotter than any other star which helps it to oppose the law of gravity.
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consider three events that might occur when arlen digs a new mine in the cleveland national forest in san diego county, california:
The probability that both quartz and tourmaline will be found, but not aquamarine is P(A intersection B) = P(A)*P(B) = 0.80 * 0.36 = 0.29.
The Venn diagram for this situation is as follows:
A: Quartz specimens are found _____
B: Tourmaline specimens are found ____
C: Aquamarine specimens are found ____
The probability that both quartz and tourmaline will be found, but not aquamarine is P(A intersection B) = P(A)*P(B) = 0.80 * 0.36 = 0.29.
The probability that quartz will be found, but not tourmaline or aquamarine is P(A) – P(A intersection B) – P(A intersection C) = 0.80 - 0.29 - 0.24 = 0.27.
The probability that none of these types of specimens will be found is 1 – P(A) – P(B) – P(C) + P(A intersection B) + P(A intersection C) + P(B intersection C) = 1 - 0.80 - 0.36 - 0.28 + 0.29 + 0.24 + 0.16 = 0.17.
The probability of A intersection (B union C) is P(A)*P(B union C) = P(A)*(P(B) + P(C) – P(B intersection C)) = 0.80 * (0.36 + 0.28 – 0.16) = 0.41.
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which process causes a seamount to become a guyot which is known to have a flat top?
The process of a seamount becoming a guyot which is known to have a flat top originates from the New Oceanic Island, Fringing reef, Barrier reef, Atoll and Guyot.
Guyot Formation ProcessThere are five forms of guyot formation in general, namely:
Phase 1 New Oceanic IslandInitially, the magma that rose in the middle of the ocean formed a new island or hot spot island. Examples such as Hawaii or Krakatoa.
Phase 2 Fringing ReefAfter the island was formed, coral reefs appeared around it. Reefs need shallow, clear water and plenty of sunlight. Over time the island will be surrounded by coral earlier.
Phase 3 Barrier ReefOver time and plate movement, the island will lose its volcanic activity because it shifts from the hotspot. During that time, the development of coral reefs was increasing rapidly and adding to the burden on the island plus erosion from ocean currents and waves. And finally the island will sink and a lagoon will form around the island.
Phase 4 AtollThe island is sinking but the coral reefs are still alive around the island so as to form a coral ring or atoll.
Phase 5 GuyotThe coral reefs surrounding the island finally died because the island was sinking. Reefs cannot live at depths the sun cannot penetrate.
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rocks are a. a standard texture. b. an aggregate of mineral grains. c. natural or human-made. d. noncoherent.
Rocks are an aggregate of mineral grains (B)
Geologists define a rock as a natural substance that is made up of solid crystals of various minerals that have been fused together into a solid lump. Rocks may be found in all types of environments. It's possible that the minerals didn't form at the same moment, but it's also possible that they did. What is important is the fact that natural processes were responsible for bringing them all together.
Igneous rock, sedimentary rock, and metamorphic rock are the three primary categories of rock. Igneous rocks are volcanic in origin and are formed from molten material. They are quite common in the crust of the Earth. They consist not only of the lava that is ejected from volcanoes, but also of rocks such as granite, which are produced as magma cools and hardens deep within the earth.
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Turn on Show labels. What are the layers of Earth that you can see?
Turning on Show labels in Earth's context refers to the display of labels or annotations on the surface of the planet. These labels provide additional information about various features and landmarks on the Earth's surface.
When Show labels is turned on, you can see the following layers of Earth:
Natural features: This includes landmarks such as mountains, valleys, lakes, rivers, and forests. These features can be labeled with their names, elevations, and other relevant information.
Urban areas: Urban areas are densely populated cities and towns. The Show labels feature can display the names of cities and towns, as well as the populations of these areas.
Road networks: The Show labels feature can also display the names and locations of major roads, highways, and highways interchanges.
Political boundaries: Political boundaries can be displayed as labels, including the names of countries, states, provinces, and territories.
Bodies of water: The Show labels feature can display the names of oceans, seas, lakes, and rivers, as well as their locations and approximate sizes.
In conclusion, turning on Show labels in Earth can provide a wealth of information about the various features and landmarks on the planet's surface.
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If m∠2=m∠3
and m∠4=42°
, what is m∠6
?
Answer: c
Explanation:
Answer:
If m∠2 = m∠3 and m∠4 = 42°, then m∠6 = 84°. This is because m∠2 and m∠3 form a linear pair, and m∠4 and m∠6 form a supplementary pair, so m∠6 must be equal to the sum of m∠2 and m∠4, which is 84°.
Explanation:
which four gases were plentiful in the atmosphere/oceans of early earth? methane, ammonia, water vapour, the noble gas neon, Oxygen
Answer: Oxygen
Explanation:
Earth's unique surroundings was prosperous in methane, ammonia, water vapour, and the noble fuel neon, but it lacked free oxygen.
Which gasoline made up most of the early atmosphere?Scientists agree with that the majority of the gases which made up the Earth's early atmosphere, a few billion years ago, have been formed by using volcanic activity - causing it to be chiefly carbon dioxide
As Earth cooled, an ecosystem shaped primarily from gases spewed from volcanoes. It included hydrogen sulfide, methane, and ten to 200 times as a lot carbon dioxide as modern atmosphere. After about half of a billion years, Earth's floor cooled and solidified sufficient for water to gather on it
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https://brainly.com/question/1012328#SPJ4what factors do you think led to the increase in population? do you think that the population growth in pima county is sustainable?
The increase in population can be attributed to a variety of factors, including birth rates, immigration, and declining death rates. Birth rates refer to the number of births per unit of time in a given population, while death rates refer to the number of deaths per unit of time.
When birth rates are higher than death rates, the population increases. Immigration also contributes to population growth by adding new individuals to the population. On the other hand, declining death rates can lead to an increase in population as people live longer and have fewer deaths.
When it comes to the population growth in Pima County, sustainability is a complex issue that depends on various factors such as resources, environmental impact, and economic stability. A sustainable population growth is one that can continue without reducing the quality of life for future generations or damaging the environment.
In order to determine if the population growth in Pima County is sustainable, it is important to consider factors such as access to resources, environmental impact, and economic stability. For example, if the population continues to grow at a rapid pace, it may put a strain on resources such as water and lead to increased pollution and environmental degradation.
Similarly, if the economy is not able to support the growing population, it may lead to poverty and reduced quality of life.
Therefore, while population growth can bring many benefits, it is important to carefully consider the potential impacts on the environment and future generations in order to determine if the growth is sustainable.
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FILL IN THE BLANK. the lateral spreading of the plates away from the elevated midocean ridge is driven in part by ______.
Answer: Gravitational pull
The lateral spreading of the plates away from the elevated midocean ridge is driven in part by Gravitational pull
Gravity keeps the planets in orbit around the sun and the moon in orbit around Earth. The moon's gravitational pull draws the seas towards it, causing ocean tides. Gravity creates stars and planets by drawing the materials that make them together.
The force that holds the gases in the sun is one example of the force of gravity. The force that causes a ball thrown into the air to fall back down. The force that causes a car to coast downhill even when no gas is applied. The force that causes a glass to fall to the floor when it is dropped.
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as you travel west of the prime meridian, how does longitude change?
The time zones from the prime meridian eastward either grow sequentially by one hour or, in the other direction, decline consecutively by one hour.
What is prime meridian?A prime meridian in a geographic coordinate system is a line of longitude that can be chosen at random and along which longitude is set to 0°. A spheroid, such as Earth, is divided by a large circle to form the Eastern Hemisphere and the Western Hemisphere. The Earth's prime meridian has been designated in many ways over time and by various groups of people. If a planetary body is not tidally locked (or at least not in synchronous rotation), its prime meridian is wholly arbitrary, in contrast to the equator, which is determined by the rotational axis. From their prime meridian, which is at 0°, to 180° east and west, respectively, we may compute the lengths of the Earth and Moon.
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wayne, a cartographer, described the epicenter of an earthquake on a thematic map. in this scenario, the process that wayne followed to describe the earthquake's epicenter is an example of .
As Wayne used a thematic map to describe the epicenter of an earthquake, this is an example of map abstraction.
Map abstraction is the process of representing physical features and geographical information on a map by extracting and simplifying data from a variety of sources.
This allows for easier interpretation and understanding of the data. As demonstrated by Wayne, a thematic map is a type of map which uses colors, patterns, and symbols to represent an area's geographic features.
Using this type of map, Wayne was able to show the epicenter of an earthquake, allowing viewers to quickly and accurately identify the location and magnitude of the event.
This is a perfect example of map abstraction, as it provides a simplified visual representation of the data, making it easier to comprehend.
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What is the most significant source of sediment for California's beaches?A. Wave erosion along the coast.B. Streams entering onto the coast.C. Human replenishment of beach sands.
The correct answer to this question is option a. Wave erosion along the coast.
The San Gabriel Mountains provide some of the sand found on the beaches between Point Dume and Redondo Beach, including milky quartz, whitish-gray granite, and silvery mica. According to Orme, sediment from granite-type streams typically contains a lot of quartz.
However, several sizes of sediments, including mud (silt and clay), sand, and gravel, may make up beaches (cobbles and boulders). For the examination of sediment size, scientists typically utilize Wentworth's grain-size distribution chart.
Sand from Californian beaches typically includes quartz in lighter-colored grains. Most of the darker grains are feldspar. Sand comes in a variety of shades and textures, including coral, volcanic, and gypsum. Quartz predominates in the bulk of the world's sand, particularly in California.
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Answer the following question in 3-4 complete sentences. What was found at the site of igbo ukwu? why was it an important archeological find?.
Answer:
The Igbo Ukwu site contained an elite burial and shrine complex. It held the earliest known examples of copper alloy or bronze casting in Sub Saharan Africa. The site also increased historians' understanding of both art and culture of West African civilizations.
Answer:
The Igbo Ukwu site contained an elite burial and shrine complex. It held the earliest known examples of copper alloy or bronze casting in Sub Saharan Africa. The site also increased historians’ understanding of both art and culture of West African civilizations.
Explanation:
pic
What wa a major outcome of the Mexican Revolution?A. Mexico wa invaded by France, which wanted to collect outtanding debt. B. Mexico won it independence from the Spanih EmpireC. Mexico approved a contitution that created a democratic government. D. Mexico tarted a military conflict with the United State
The major outcome of the Mexican Revolution was Mexico approved a constitution that created a democratic government (C)
The Mexican Revolution was a lengthy and brutal struggle between numerous factions in continuously shifting alliances that ultimately led in the end of a dictatorship that had lasted for thirty years in Mexico and the establishment of a constitutional government. Beginning in the early 16th century, Spanish conquistadors built a system of government and wealth extraction that had its roots in the encomienda system of land grants. This system was in place throughout much of the New World. The landowners were granted the authority to compel forced labor as well as the responsibility to pay tribute by the crown. The system resulted in significant inequality, which persisted even after Mexico achieved its independence at the beginning of the 19th century.
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what is the difference between artifacts and fossils?
Fossils are the remains of living things whereas artifacts are the remains of things that were made.
The remains of living things like plants, animals, and people are called fossils and artifacts are the remains of things that were made or non-living things.
Both fossils and artifacts tell us about the important things of history. With the help of these two historians were able to get information about the culture and living of people in ancient times.
Artifacts give us information about the minerals and art culture of ancient times and Fossils give us information regarding the living things and the food habit of people.
Historians get some idea about the environment of ancient times and how the communities were divided. Many artifacts and fossils found are preserved in museums.
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a study is conducted in which the amount of lead found in river water samples is found to increase with the number of roads surrounding the river. in this study, what is the dependent variable?
In the study, the dependent variable is the amount of lead.
The dependent variable in a study is the variable that's being measured or tested in an experiment. For instance, the dependent variable in a study looking at how tutoring impacts test scores would be the participants' test scores because that is what is being measured.
The dependent variable is different than the independent variable in an experiment. The independent variable is a variable that stands on its own. In the example mentioned above, tutoring would be the independent variable.
The amount of lead is the dependent variable in the study because it is the one that is being measured.
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which area is least likely to experience earthquakes? group of answer choices mid-ocean ridges ocean trenches the middle of continents volcanic island arcs
The area that is least likely to experience earthquakes is C. the middle of continents.
Why are the middle of continents least likely to experience earthquake ?The middle of continents are less likely to experience earthquakes because they are located in stable areas of the Earth's crust, away from plate boundaries where most earthquakes occur.
Plate boundaries are zones of intense geological activity, where tectonic plates move against each other and create stress that is released as earthquakes. In contrast, the interior of continents is composed of older, cooler, and more solid rock that is less prone to earthquakes.
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why are rocks that formed in an oceanic environment found in the highest parts of the himalayan mountains today?
Answer:
Because they have land masses
Explanation:
partially melting an ultramafic rock would immediately produce a magma of what composition
Partially melting an ultramafic rock would immediately produce a magma with a mafic composition.
Ultramafic rocks are rich in magnesium and iron and low in silica. When ultramafic rocks are partially melted, the resulting magma will have a mafic composition, which means it will be low in silica and high in magnesium and iron.
This is because the minerals that make up ultramafic rocks, such as olivine and pyroxene, have a lower melting temperature than silica-rich minerals and are therefore the first to melt. The result is a magma with a similar composition to the original ultramafic rock, but with a higher liquid content and a lower viscosity.
Mafic magmas are often associated with volcanic eruptions and the formation of mafic and ultramafic rocks.
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as you travel west of the prime meridian how does the latitude change
The time zones change consecutively by one hour as you go away from the prime meridian to the east, or the opposite as you move away from it to the west.
What is a time zone?A time zone is an area where social, business, and legal activities all take place at the same shared standard time. Instead of strictly following longitude, time zones frequently follow the borders between nations and the subdivisions within them since it is simple for sites in frequent communication to maintain the same time. Most of the time, the offsets are full hours, but other zones, such those in South Australia, India, and Nepal, have an additional 30 or 45 minute offset. Higher latitude areas occasionally practice daylight saving time, which typically entails moving local time forward by an hour in the spring and summer. The apparent position of the Sun in the sky and, as a result, solar time, vary depending on where you are on the Earth because of its spherical shape.
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Complete Question:
As you travel west of the prime meridian how does the latitude change?
How does air temperature change with height in the troposphere? (a) Air temperature always decreases with height in the troposphere. (b) Air temperature always increases with height in the troposphere. (c) Air temperature usually decreases with height in the troposphere but sometimes increases. (d) Air temperature usually increases with height in the troposphere but sometimes decreases.
This effect is often referred to as the "lapse rate", and it is due to the fact that temperature decreases with an increase in altitude. The answer is (b): Air temperature always increases with height in the troposphere.
This means that as you go higher in the troposphere, the air temperature will become warmer.
The lapse rate is the rate at which air temperature decreases with an increase in altitude. As you go higher up in the troposphere, the temperature of the air will become cooler. This is due to the decrease in atmospheric pressure, which causes the air to expand and therefore cool. This effect is most noticeable in the troposphere, although it can also be seen in other layers of the atmosphere.
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the xia and the shang dynasties were located in what river valley: T/F
Answer:
True
Explanation:
how did the soviet union come to control eastern europe, the caucasus and parts of central asia?
The Soviet Union came to control eastern Europe, the Caucasus and parts of Central Asia through a combination of military and political means.
In the aftermath of World War II, the Soviet Union imposed communist governments in the region and installed Soviet-controlled governments in the countries it occupied. The countries in eastern Europe, the Caucasus and Central Asia were then subject to Soviet influence and control for the remainder of the Cold War.
In order to maintain its control, the Soviet Union engaged in a number of strategies including military presence and support for friendly governments, economic sanctions, and restrictions on travel. The Soviet Union also encouraged a pro-Soviet ideology and culture, and used propaganda and censorship to control public opinion.
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Which of the following characteristics produce a temperate shrubland?
A. Heavy rainfall in summer
B. Cool, moist winters
C. Hot season coincides with a dry season
D. Cool temperatures all year
E. Consistent precipitation all year
Hot season coincides with a dry season produce a temperate shrubland.
In this case, Option C is correct.
Mesomorphic to slightly xeromorphic perennial grasses predominate in emperate grasslands, and perennial forbs are present, but in varying amounts. With a typical 10% cover, trees are sporadic to completely absent and are frequently regulated by fire, cold, or drought. At maturity, grasses and forbs can reach a variety of heights depending on the soil, climate, and other elements.
Grasses can form a sod (carpet on the ground) or a tussock (bunch), with bunchgrasses becoming more prevalent during dry periods. It is possible to find both C3 and C4 grasses, with C3 becoming more prevalent toward the poles. Because their renewal buds are located close to or below the ground surface, grasses and perennial forbs are well suited to withstand cold seasons, as well as tolerate grazing and fire.
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what kinds of atomic nuclei were created during the era of nucleosynthesis?
Answer:
Hydrogen and Helium and trace amounts of Deuterium and Lithium.
Lighter elements including hydrogen, helium, and certain lithium isotopes were created during the nucleosynthesis epoch, which took from a few minutes to thousands of years just after Big Bang.
Thru the act of combustion, in which light nuclei join forces to create heavier elements, these atoms or ions were created. Due of the extreme temperatures and densities that existed in the early cosmos, this process took place there.Nucleosynthesis, which commonly occurs in stars or after the Big Bang, is the mechanism by which heavier starting materials are created from lesser chemical elements through nuclear processes. In this process, lighter atomic nuclei fuse together to generate heavier elements, which releases energy in the process. As a result, new stars, worlds, and every other celestial bodies are created from the heavier elements that result. All atoms heavier than helium and hydrogen in the cosmos were produced through nucleosynthesis.
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Which climate is characterized by the largest change in monthly average temperatures, i.e., the greatest
change in temperatures from one month to the next?
A) boreal forest
B) tundra
C) ice cap
D) dry-midlatitude
Dry-midlatitude is the climate with the highest monthly average temperature variation. Thus Option D is the correct answer.
Because there isn't enough moisture to balance temperature shifts, dry-midlatitude regions, such as those in the Mediterranean or desert, have extreme temperature swings. A considerable daily temperature variation, with hot days and cool nights, is also made possible by the absence of cloud cover. The fact that these climates are frequently found close to big bodies of water might result in sea breezes that further chill the air during the day.
These elements work together to produce a climate with significant temperature variations from one month to the next.
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The correct option is D because dry-midlatitude climate is characterized by the largest change in monthly average temperatures, i.e., the greatest change in temperatures from one month to the next.
Located between 30 and 60 degrees north and south of the equator, the mid-latitude desert is an abnormally dry area with an arid environment. These deserts are located in the inner regions of the continents. These areas see very little precipitation and humidity.
These climates cover vast continental expanses of the mid-latitudes that are frequently bordered by mountains, and they are found between 20 and 35 degrees North and South of the equator. These climate's minor variations include: True desert climate is defined as Bw - dry arid (desert).
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Which process primarily transfers heat by moving air?1. conduction 2. convection 3 radiation 4. transpiration
Answer:
The answer is radiation because that is what has the power of air.
Explanation:
Option 3 radiation primarily transfers heat by moving air because that is what has the power of air.
Energy that comes from a source and moves through space at the speed of light is called radiation. This energy has wavelike properties and is associated with an electric and magnetic fields. Electromagnetic waves or radiation could also be used as a name. Heat is produced by every nuclear power plant.
The DNA in our cells can be damaged by radiation. Acute Radiation Syndrome (ARS) or Cutaneous Radiation Injuries (CRI) can result from exposure to high doses of radiation. In later life, high doses of radiation may also cause cancer. A mutagen, radiation can eventually cause cancer. Radiation can either harm the DNA in cells or kill them, making it harder for them to reproduce and eventually leading to cancer.
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what type of wind speeds can hurricanes experience?
Hurricanes can experience wind speeds of 74 mph (119 km/h) or higher.
Hurricanes are powerful, destructive storms that can cause catastrophic damage. They are characterized by their intense winds, which can reach speeds of 74 mph (119 km/h) or higher.
These winds can wreak havoc on communities, destroying homes, businesses, and other structures. In addition to the winds, hurricanes also bring heavy rain, storm surges, and flooding that can cause further destruction.
The strength of a hurricane is measured by its wind speed, and the most powerful hurricanes can reach speeds over 200 mph (320 km/h). Hurricanes can also cause significant destruction when they make landfall, as the combination of powerful winds and storm surges can cause extensive damage to coastlines.
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briefly describe key facts about the solstices and equinoxes.
During the summer solstice in June, the northern hemisphere is most directly facing the sun and gets the most direct sunlight.
What Are the Equinox and Solstices?During the equinox, the sun passes the equator of the Earth, making day and night (almost) equal in length everywhere. The spring equinox, sometimes referred to as the vernal equinox, takes place on or around March 21 in the Hemisphere when the sun crosses the celestial equator from north to south. On September 22 or 23, the sun passes the equatorial plane from south to north, signalling the start of fall. The opposite is true in the Southern Hemisphere. The terms March and September solstice are occasionally used to avoid a bias against the Northern Hemisphere. One of the twice of the year when Earth's position and tilt in relation to the sun cause the greatest or smallest amount of daylight in a single day is on a solstice.
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are hurricanes becoming more or less common compared to 100 years ago?
the trade winds of the northern and southern hemispheres meet at the equator in a narrow zone of weak variable winds called
The trade winds of the Northern and Southern Hemispheres meet at the equator in a narrow zone of weak variable winds called the doldrums.
The "doldrums" is a common nautical phrase that refers to the belt around the Earth near the equator where sailing ships might occasionally become stranded on sea that does not have any wind.
The Inter-Tropical Convergence Zone, also known as the doldrums by sailors around the world, is a belt that circles the Earth and extends about five degrees north and south of the equator. At this location, the prevailing trade winds of the northern hemisphere blow to the southwest, and they come into conflict with the powerful trade winds of the northwest in the southern hemisphere.
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