when a magma body intrudes into a rock body and pieces of the original rock body end up in the magma they don't fully melt and are incorporated as xenolith inclusions. are the xenoliths younger or older than the magma body

Answers

Answer 1

Is if xenoliths are found in a molten body, this indicates that they were present before the magma body formed. The xenoliths should therefore be older than magma body, according to the law of exclusions.

Describe xenoliths.

A rock fragment encased in another kind of rock is known as a xenolith. A xenolith is typically a rock that became embedded in lava as it cooled. The molten rock that spews forth as lava during one volcano eruption is known as magma.

How can a xenolith be recognized?

The addition must have a distinct composition from the surrounding rock in order to qualify as a xenolith. Autoliths or homologous inclusions are rocks that have comparable inclusions within them. Xenoliths are typically simple to identify.

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Related Questions

Which of the following characteristics is related to the color of a star?
A. Brightness
B. Clouds
C. Temperature
D. Chemical makeup

Answers

Answer: brightness

Explanation:

It would be the temperature since it represents the rate of movement of particles in that star. Folllowing the colours from the electromagnetic spectrum

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A piece of wood from an archeological site can be dated by tree rings if

It was not taken from a tree that was cut a long distance from the site

It has a pattern that matches the scale created by scientists

It is no more than around 200 years old

All of these

Answers

Im going to answer this as a, b, c, d. Trees rings occur each year the tree in alive im pretty sure so each year there will be a ring. Wouldn’t be c, d just because of what I just wrote the previous sentence. However tree rings appear in the actual tree and branches might be different from the actual tree. Answer A is wrong because it doesn’t matter how far away it is. Answer is B

6. Which regions of the world get most of their protein from meat?

Answers

Answer:

Fish is one of the major sources of animal protein around the world, providing about 20 percent of the animal protein consumed. It's the main source of animal protein in many developing countries, providing over 50 percent of the animal protein consumed in some areas, according to the Food and Agriculture Organization.

Explanation:

Anybody pleaseeeee answer

Anybody pleaseeeee answer

Answers

Answer:

either A or B, leaning towards B

Explanation:

How do the islands of Oceania affect settlement?

Answers

Most of the tribes that did move from one island to another tended to settle on the coastal regions.

If you climb 1600 m, how many degrees Celsius will the temperature drop?
-HELP!! I have two days​

Answers

It drops by 20 degrees

which at the following activity will help in soil conservation?
A. Overgazing
B. Farming in slope areas
C. Reforestation
D. Mining​

Answers

Answer:

Reforestation will help in soil conservation.

The other ones (overgrazing, farming in slope areas, mining) will conduce to soil erosion.

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The correct option to the answer is option C Reforestation

Reforestation is the method of replanting trees in places that have been damaged by both natural and manmade disturbances, such as lumbering, quarrying, agricultural production, and construction. Natural disturbances include wildfires, drought, pest and disease infestations, and wildfires. This could entail anything from encouraging revegetation in a degraded area to planting ecologically suitable tree seedlings in the wake of forest fires.

Reforestation improves the environment by ensuring or accelerating the restoration of healthy natural forests by sustaining and enhancing the forest canopy and preserving biodiversity within the ecosystem by planting trees in areas that have been deteriorated or eroded.

By storing carbon dioxide in the atmosphere in their leaves, and roots and absorbing toxic emissions into their bark and leaves, it aids in carbon storage.

Reforestation offers habitat for more than 80% of the planet's plant diversity and reduces soil erosion by establishing roots that hold the soil together. It functions as a natural air conditioner by lowering air pressure temperatures. By absorbing water and gradually releasing it through transpiration, plants can greatly aid in preventing floods and landslides.

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what is photosynthesis​

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Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.

Which ethnic group is classified as the largest stateless nation in the world?

Answers

Answer:

The Kurds are among the largest stateless ethnic groups in the world, with some 30 million concentrated in an area straddling Turkey, Iraq, Iran, and Syria. A minority in all four countries, the Kurds speak their own language, with several dialects.

The safest place for humans to live, away from volcanic activity and earthquakes, is:__________

Answers

The safest place for humans to live, away from volcanic activity and earthquakes, is Central US and European Continent.

What is volcanic activity?Gas emissions, non-explosive lava emissions, and extremely intense explosive bursts that may persist for several hours are all examples of volcanic activity. Volcano shapes and sizes are influenced by the types of eruptions in terms of relative quantities, types, and lava flow patterns.Because it is lighter than the surrounding rock, the melted rock, or magma, rises. Although it is still miles below the surface, this magma gathers in magma chambers. When the magma chamber becomes sufficiently overfilled, the magma forces its way to the surface and erupts, frequently resulting in volcanic eruptions.The Mount St. Helens eruption in Washington serves as a good illustration.

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Stone tools are more commonly found on archaeological sites thought to be associated with?

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Stone tools are more commonly found on archaeological sites thought to be associated with Homo habilis.

The ancient human species Homo habilis, also known as "handy man," lived in East and South Africa during the Early Pleistocene between 2.31 million and 1.65 million years ago (mya). When H. habilis was first described as a species in 1964, there was a lot of debate about it, and many scientists suggested that it be grouped with Australopithecus africanus—the only other early hominin species at the time—but as time went on and more significant discoveries were made, H. habilis gained more recognition. By the 1980s, it had been hypothesized that Homo habilis, which later gave rise to Homo erectus, was a direct ancestor of modern humans.

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Fill in the blank. Septic systems that break down human waste naturally through bacterial decomposition work in areas that ________.

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Septic systems that break down human waste naturally through bacterial decomposition work in areas that are not connected to a centralized sewage system.

Septic systems are used in areas where a centralized sewage system is not available. These systems are designed to break down human waste naturally through bacterial decomposition. The system consists of a septic tank, which separates solid waste from liquids, and a drain field, which allows the liquid waste to be absorbed into the ground.

Septic systems are commonly used in rural areas and in areas where houses are spread far apart. In these areas, it is not feasible to connect each house to a centralized sewage system. Septic systems provide an effective way to treat wastewater on-site and protect public health and the environment.

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Be able to describe and explain the formation of a meander and oxbow lake?

Answers

Answer:

Geology. An oxbow lake forms when a river creates a meander, due to the river's eroding bank. After a long period of time, the meander becomes very curved, and eventually the neck of the meander becomes narrower and the river cuts through the neck, cutting off the meander and forming an oxbow lake.

Explanation:

An oxbow lake starts out as a curve, or meander, in a river. A lake forms as the river finds a different, shorter, course. The meander becomes an oxbow lake along the side of the river. Oxbow lakes usually form in flat, low-lying plains close to where the river empties into another body of water.

Listed following are the latitudes of several locations on Earth. Rank these latitudes from left to right based on the maximum altitude (on the meridian) at which the celestial equator passes through the local sky, from lowest altitude (nearest the horizon) to highest altitude (farthest above the horizon).

Answers

To rank the latitudes based on the maximum altitude at which the celestial equator passes through the local sky, we need to consider the tilt of Earth's axis and its effect on the apparent motion of celestial objects.          

The celestial equator is an imaginary circle in the sky directly above Earth's equator. At the equator (0° latitude), the celestial equator passes directly overhead, resulting in the highest altitude. As we move away from the equator, the celestial equator appears to lower in the sky.

Ranking the latitudes from left to right based on the maximum altitude of the celestial equator:

1. Equator (0° latitude): The celestial equator passes directly overhead, reaching the highest altitude.

2. Northern Hemisphere latitudes: As we move northward from the equator, the altitude of the celestial equator gradually decreases.

3. Southern Hemisphere latitudes: As we move southward from the equator, the altitude of the celestial equator gradually decreases.

Therefore, the ranking from lowest to highest altitude of the celestial equator passing through the local sky would typically be from southern latitudes (such as -90°) to the equator (0°) and then to northern latitudes (such as 90°).

It's important to note that the exact altitudes can vary based on the observer's specific location, atmospheric conditions, and the time of year.

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North and South Korea each possess qualities that could help the other nation. This is an example of the geographic concept of _______

Answers

Answer: regional complementarity

Explanation:

which of the following choices correctly sequences the time periods from the oldest to the most current ?

which of the following choices correctly sequences the time periods from the oldest to the most current

Answers

The correct answer is a and B

2. How do volcanoes form near a
divergent boundary?
A. Magma fills in the gap where the
plates move apart
B. Magma is created by a subduction
zone
C. Magma breaks through the tectonic
plate above a "hot spot"
D. Mountains erode and create a
volcano

Answers

Answer:

Magma fills in the gap where the plates move apart.

Explanation:

The tectonic plates are in constant motion because of the convection currents below them. This motion makes the plates move across the globe and form different types of boundaries between them. One of the types of plate boundaries is the divergent plate boundary, a plate boundary where the plates move away from each other.

At divergent plate boundaries, as the plates move away from each other, they open up a gap between them. The gap makes the crust much thinner, so the magma from below manages to break through very easily. As the magma breaks through, it fills in the gap, creating an underwater chain of mountains, and occasionally volcanic islands. A good example of this is the Mid-Atlantic Ocean Ridge as well as the island of Iceland.

the time it takes for a planet to come back to the same position relative to the sun is called its __________ period.

Answers

The time it takes for a planet to come back to the same position relative to the sun is called its planter orbit period .

A earth's orbital period is the length of time it takes for the earth to make one full route around the sun. This is also known as a sidereal period, as the time it takes for a earth to return to the same position relative to the stars. The orbital period of a earth is determined by its average distance from the sun,

And the gravitational pull of the sun on its route. globes  near to the sun have shorter orbital ages, while those further down have longer orbital ages. For  illustration, the Earth has an orbital period of 365.256 days, while Neptune has an orbital period of164.8 times. The length of a earth's orbital period can also be affected by the presence of other  globes,

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what type of tidal pattern is exhibited in southern california? group of answer choices nocturnal semidiurnal mixed semidiurnal diurnal

Answers

Answer:

Explanation:

Mixed tide.

Convection currents, which affect weather and climate, are created by Global winds are found in each convection region. Because convection cells are in a set place in the atmosphere and the Earth is spinning on its axis, the winds appear to curve. The apparent curving of the winds is called _______.

Answers

Answer:

Coriolis force.

Explanation:

The force of winds that affects the global wind belts and creates pressure difference on earth. The forces that are responsible for the deflection of the winds and are due to the spinning of the earth on its axis is called a Coriolis force. As the earth spins anti clockwise that winds are deflected to right in the northern hemisphere and to left in the southern hemisphere.

Find the unknown angle measures

Answers

To find the unknown angle measures, we need to use the given information and apply relevant geometric principles. Without specific information about the angles or the figure in question, it is difficult to provide precise answers. However, I can explain a general approach to finding unknown angle measures in geometric problems.

1. Identify the type of angles: Determine if the given angles are acute (less than 90 degrees), obtuse (greater than 90 degrees), or right angles (exactly 90 degrees). This classification helps in understanding the relationships between angles.

2. Use angle relationships: Depending on the geometric figure or scenario, there are various angle relationships that can be utilized. Some common relationships include:

  - Complementary angles: Two angles whose sum is 90 degrees. If one angle is known, the other can be found by subtracting the known angle from 90 degrees.

  - Supplementary angles: Two angles whose sum is 180 degrees. If one angle is known, the other can be found by subtracting the known angle from 180 degrees.

  - Vertical angles: Two angles that share the same vertex and are opposite each other. Vertical angles are congruent, meaning they have the same measure.

3. Apply geometric theorems or properties: Depending on the geometric figure or problem, specific theorems or properties can be used to find unknown angle measures. Examples include the Pythagorean theorem, the angle sum of triangles, the angle sum of quadrilaterals, and the properties of parallel lines intersected by a transversal.

4. Solve equations: In some cases, equations may need to be set up and solved to find the unknown angle measures. This can involve setting up equations based on angle relationships or applying algebraic principles.

It's important to note that the approach to finding unknown angle measures can vary depending on the specific problem and the given information. Providing precise answers without a specific problem is not possible, but the general steps outlined above can guide you in solving geometric problems involving unknown angle measures.

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What is a Presidios?

Answers

Answer:

A Spanish term meaning guard, used to mean a fortress such as one established by the Spanish in the southwestern United States.

Explanation:

Answer:

A presidio is a fortified base established by the Spanish in areas under their control or influence.

Explanation:

Ranking Task: Kepler's Third Law of Planetary Motion 7 of 9 Part C The foilowing dagrams are the same as those from Parts A and B. This šme, rank the planets from left to right based on their average orbital speed, from fastest to slowest. If you think that two (or more) of the diagrams should be ranked as equal, drag one on top of the other's) to show this equality. (Distances are to scale, but planet and star sizes are not.) View Available Hint(s) Reset Help Fastest Slowest

Answers

Ranking Task: Kepler's Third Law of Planetary Motion 7 of 9 Part C: Planets ranked from fastest to slowest based on their average orbital speed are as follows:

Jupiter: As it has the largest distance, it takes a longer time to orbit the sun than the others, but it travels at a much faster pace than the other planets, making it the quickest planet in the solar system.

Mars: It is positioned in the middle of the group, indicating that it is not the quickest or slowest planet, but it is still one of the speediest planets in our solar system.

Venus: It is the second planet from the sun, indicating that it is not the farthest planet from the sun. Its location in the diagram shows that it is closer to the sun than Earth, which is why it travels faster than Earth.

Earth: It is the third planet from the sun, and it is closer to the sun than Mars. As a result, it orbits the sun at a faster pace than Mars.

Saturn: Saturn is the slowest planet in the solar system. The vast distance between Saturn and the sun indicates that it is the slowest planet.

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Write the names in order from smallest to largest: ice sheet, ice field, ice cap, glacier

Answers

Answer: ice cap, ice sheet, glaciers, icefield

Explanation:

Ice cap ice sheet glacier ice field

The structure that is observed in the Universe today is a result of a the collisions of supermassive black holes during the inflationary period. b hypernova explosions in the early Universe. c the high temperatures shortly after the Big Bang causing the Universe to "bubble" like a boiling pot. d fluctuations in the density of the early Universe.

Answers

The correct answer is d) fluctuations in the density of the early Universe.

The structure that is observed in the Universe today, such as galaxies, galaxy clusters, and cosmic filaments, is believed to be a result of fluctuations in the density of the early Universe. These density fluctuations were present shortly after the Big Bang during a period known as cosmic inflation.

During cosmic inflation, the Universe underwent a rapid expansion, and small quantum fluctuations in the energy density of the early Universe were magnified to cosmic scales. These fluctuations served as seeds for the formation of structures we see today.

Under the influence of gravity, regions with slightly higher density attracted more matter and gradually formed clumps. Over time, these clumps grew larger, eventually giving rise to galaxies and galaxy clusters. The distribution of matter in the Universe was further shaped by the interplay of gravity and other physical processes, such as the radiation from the cosmic microwave background and dark matter.

While collisions of supermassive black holes, hypernova explosions, and the high temperatures shortly after the Big Bang all have significant impacts on the Universe, they are not the primary cause of the large-scale structure we observe today. Instead, it is the fluctuations in the density of the early Universe that provide the initial conditions for the formation of structures.

It's important to note that our understanding of the Universe's evolution is based on scientific theories and observations, and ongoing research continues to refine our knowledge and uncover new insights into the origins of cosmic structure.

The correct answer is d. fluctuations in the density of the early Universe.

The structure observed in the Universe today, including galaxies, clusters, and cosmic filaments, is primarily a result of fluctuations in the density of the early Universe.

These density fluctuations originated during the inflationary period, which was a rapid expansion phase shortly after the Big Bang. Tiny quantum fluctuations in the energy density of the early Universe were magnified and stretched during inflation, leading to variations in matter density.

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Identify and explain the key idea of the 1st agriculture revolution ​

Answers

Answer:

The First Agricultural Revolution, also known as the Neolithic Revolution, is the transformation of human societies from hunting and gathering to farming. Farming and the raising of livestock tied people to land for cultivation and grazing grounds, and this transition gave rise to permanent settlements.

Explanation:

I looked it up.

Americans retreated from the ""new world order"" because

Answers

Americans retreated from the "New World Order" of the League of Nations because they didn't want to be bothered by unnecessary international affairs.

Why did the U.S. refuse to join the League of Nations?

The U.S had just come from the first World War which saw thousands of American deaths in a war that they did not start.

When the League of Nations was founded therefore, America declined to join in order not to have to sacrifice any more resources and people for international conflicts.

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the unfao has demonstrated that forest loss has slowed but ________.

Answers

The UNFAO (United Nations Food and Agriculture Organization) has indeed demonstrated that forest loss has slowed down in recent years. However, this positive trend is still not enough to fully address the problem of deforestation and its negative impacts on the environment and society.

According to the latest Global Forest Resources Assessment (FRA) report released by the UNFAO in 2020, the world's total forest area was about 4.06 billion hectares, or 31% of the global land area. While this is a slight increase from the previous FRA report in 2015, which reported 4.01 billion hectares of forest cover, it is still significantly lower than the original baseline of 4.46 billion hectares in 1990.Moreover, the FRA report also reveals that the rate of forest loss has decreased over the past decade, from 7.8 million hectares per year in the 1990s to 4.7 million hectares per year between 2010 and 2020. This is largely due to various efforts and initiatives aimed at reducing deforestation and promoting sustainable forest management, such as forest conservation and restoration, certification schemes, and community-based forestry.Therefore, while the UNFAO's data shows that forest loss has slowed down, it is clear that more needs to be done to protect and restore the world's forests. This requires a multi-faceted approach that involves addressing the root causes of deforestation and promoting sustainable forest management, while also supporting the livelihoods and rights of local communities who depend on forests.

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What geographical features dominate Greece

Answers

Answer:Greece is a peninsular and mountainous country located in Southern-Eastern Europe, in the Balkans peninsula, and has a land area of 128,900 km2 (49,769 sq. miles). The country has the largest coastline in Europe (13,676km) due to its numerous islands.

Explanation:

Answer:

Athens and Attica. The capital and its hinterland are located on a broad peninsula that juts out into the Aegean Sea. ...

The Peloponnese. ...

The Aegean Islands. ...

Central Greece and Thessaly. ...

Epirus, Macedonia and Thrace. ...

The Ionian Islands.

Visually trace the unconformity at the base of the Tapeats Sandstone from left (west) to right (east) across the diagram. How does the nature of the unconformity change from west to east?

Answers

The unconformity starts as a disconformity on the west side, where the Tapeats Sandstone rests directly on Proterozoic schist.

As it moves eastward, the unconformity transitions to an angular unconformity, where the Tapeats Sandstone overlies the Tilted Vishnu Schist.

The lower part of the schist is eroded and tilted to form a small hill. Further east, the unconformity transitions to a nonconformity, where the Tapeats Sandstone rests directly on crystalline basement rocks. In this area, the Tapeats Sandstone is highly eroded, with small channels and valleys visible in the rock.

The unconformity then transitions back to a disconformity on the east side, where the Tapeats Sandstone rests directly on the sloping surface of the Proterozoic schist. The nature of the unconformity changes from a disconformity to an angular unconformity, to a nonconformity and then back to a disconformity from west to east.

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the simplest and the most common monosaccharide is a six-carbon sugar calledgroup of answer choicescellulosegalactoseglucoselactose Bus A and Bus B leave the the bus depot at 2 pm.Bus A takes 15 minutes to complete its route once and bus B takes 25 minutes to complete its route once.If both buses continue to repeat their route, at what time will they be back at the bus depot together?Assume the buses have have no breaks in between routes.Give your answer as a 12-hour clock time. he radius of a circle is 12 m. Find its circumference in terms of pi Read this sentence.The decline in honeybees is a growing concern amongbeekeepers, agriculturalists, and scientists.Which word best describes the style of this sentence?A. ExcitedB. InformalC. FormalD. Concerned Exercise 2 Write a complete thesis statement from the theme given below. theme: the many different species of birds Analyse innovativeness of Cambridge cluster - silicon fen. Write minimum 5 sentences. How many square feet of outdoor carpet will we need for this hole? Mary and Shawn recently purchased their first home. They have obtained the basic homeowner insurance. Their insurance agent also recommend aflood insurance policy for their new home. However, after calculating the monthly income and budget, Mary and Shawn found the flood insurance wastoo expensive for them to afford. They decided to take the risk and not to buy the flood insurance. What type of risk management strategy was used inthis case? What kind of risk are they taking? What methods did Japan use to control the population? Can someone help me IM STUCK what is one major role of political parties in U.S. politics A. Breaking down partisan distinctions between citizens during campaignsB. Making it easier for voters to identify candidates who share their valuesC. Preventing voters from learning about candidates policy preferencesD. pushing voters to select candidates based on their merit rather than personality Lamb Corporation produces and sells a single product. Data concerning that product appear below: Per Unit Percent of Sales Selling price $ 160 100 % Variable expenses 80 50 % Contribution margin $ 80 50 % The company is currently selling 6,400 units per month. Fixed expenses are $217,000 per month. The marketing manager believes that a $7,100 increase in the monthly advertising budget would result in a 160 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change What is the primary reason Congress established the Freedmen's Bureau in 1865? A system of 18 electrons and 11 neutrons has a net charge of If income is distributed equally, the What do you mean by human made resources ? HELP! whoever gets it right gets brainliest!! write a paragraph of the Characteristics of Life 3/4 of a number minus -16 equals 28 whats the number How do you find the area of a triangle with a 99 degree angle and adjacent sides of 11?