the idealized plot below shows the change in magma temperature (y-axis) over time (x-axis). which cooling history is associated with porphyritic igneous texture?

Answers

Answer 1

Two-stage cooling history is associated with the porphyritic igneous texture.

The rock textures found in volcanic rocks are referred to as igneous textures. Geologists utilize igneous textures to classify rocks and to determine the mode of formation of igneous rocks. Phaneritic, aphanitic, porphyritic, glassy, pyroclastic and pegmatitic textures are the six major types.

Large crystals are embedded in a groundmass that is finer-grained or glassy in porphyritic textures, which are seen in igneous rocks. In igneous rocks with coarse, medium, and fine grains, porphyritic textures can be found. Typically, the larger crystals, or phenocrysts, formed earlier in the magma's crystallization process.

A rising magma column is differentiated and gradually cooled to create the porphyry deposits. Both intrusive and subvolcanic rocks have porphyritic textures due to the various cooling processes.

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Related Questions

Write a paragraph describing how reservoirs are used in west Africa

Answers

Reservoirs are used in West Africa for a variety of purposes, including irrigation, the generation of electricity, and the provision of drinking water. Reservoirs are a crucial tool for controlling and storing water resources because water is unpredictable and scarce in many parts of the region, particularly in the Sahel.

One of the main purposes of reservoirs in West Africa is for irrigation. By gathering and storing water during the rainy season, reservoirs can provide farmers with a consistent water source throughout the dry season, allowing them to grow crops all year long. In countries like Ghana and Côte d'Ivoire, reservoirs are used to support agriculture and generate hydropower.

The provision of drinking water is another significant function of reservoirs in West Africa. Reservoirs are a common source of clean, safe drinking water in the region's cities and villages. Reservoirs are occasionally utilized for leisure activities like boating and fishing.

Reservoir building, however, may potentially have detrimental effects on nearby ecosystems and populations. Large-scale dam projects have the potential to uproot entire towns, change river flows and ecosystems, and have downstream effects including declining fish populations and accelerated erosion. Reservoirs must therefore be carefully planned and managed to ensure that their positive effects exceed their negative ones.

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(q015) identify the statement that is true about mass movement. a. it happens when joints and faults are oriented perpendicular to slopes. b. mass-movement zones are difficult to predict. c. it becomes more likely when strong, intact rock gets weathered. d. it occurs when downslope force equals resistance force.

Answers

Mass movement happens when joints and faults are oriented perpendicular to slopes. Hence Option A is the answer.

Describe mass movements.

Mass movements, also known as mass-wasting, are the downslope movement of regolith, the loose, uncemented combination of soil and rock particles that covers the Earth's surface by the force of gravity without the assistance of a transportation medium such as water, ice, or wind. Between weathering and stream transport, there is a continuum of erosional processes that include mass motions.

On all slopes, mass movement processes are constantly in motion; some of these processes move extremely slowly, while others move quickly, frequently with disastrous outcomes. The primary driving force behind mass motions is gravity. A sliding surface could form if the joints run parallel to the slope. The joint pattern creates fractures along which blocks can become loose and slide downslope when combined with joints that run perpendicular to the slope. 

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HELP Using four or more complete sentences, summarize the difference between a state and a nation.

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Answer:

While the terms country, state, and nation are often used interchangeably, there is a difference. A State (note the capital "S") is a self-governing political entity. The term State can be used interchangeably with country. A nation, however, is a tightly-knit group of people which share a common culture.

Explanation:

What Does the D in D-Day Stand For?

Answers

Answer: dependent

Explanation:

which conditions are triaged using the three-tier system as life-threatening conditions among a group of clients injured in a tornado? select all that apply.

Answers

These conditions are triaged using the three tier system:

StrokeActive hemorrhageRespiratory distressChest pain with diaphoresis

Since there are not enough resources to provide medical care for everyone at once, the term "triage" refers to the assessment and classification of the sick or injured. Triage is thought to have originated traditionally from techniques used to categorize and transfer wounded soldiers from the conflict.

Triage is used in mass casualty scenarios to determine who needs to be sent to a hospital for care the most immediately and whose injuries are less serious and must wait for medical attention. Triage is often used in overcrowded emergency departments and walk-in centers to assess which patients require an appointment and dealt with immediately away. At a congested medical institution, triage may be used to prioritize who has access to what space or tools, such operating rooms.

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Please select the word from the list that best fits the definition
Inexhaustible and renewable resources are used less than____
resources.
A.nonrenewable B.resources
C.renewable resources
D.turbines
E.geothermal
F.cells
G. biomass

Answers

Answer:

Non renewable resources.

what is the color of lava when it is at its hottest

Answers

The color of lava depends on its temperature. It starts out bright orange (1000-1150 C). As it cools the color changes to bright red (800-1000 C), then do dark red (650-800 C), and to brownish red (500-650 C). Solid lava is black (but can still be very hot).

Where is Argentina?
please help!!​

Answers

Argentina is in South America:)

Why did the Sumerian legal code pace a lot of importance n land and water disputes? One or two sentences.
PLS ANSWER DIS PLS I WILL GIVE 20 POINTS!!!!

Answers

Answer:

Because it gave laws to prevent disputes and consequences to those who broke the law. This helped bring law and order to the land.

Explanation: here are the laws of land and water.

30. If a man stealthily cultivates the field of another man and he raises a complaint, this is however to be rejected, and this man will lose his expenses.

31. If a man flooded the field of a man with water, he shall measure out three kur of barley per iku of field.

32. If a man had let an arable field to a(nother) man for cultivation, but he did not cultivate it, turning it into wasteland, he shall measure out three kur of barley per iku of field.

plz mark brainleist

Identify the factors that influence global sea-level change. (select all that apply.)

Answers

The factors that influence global sea-level change are - thermal expansion, melting glaciers, melting ice caps.

Hence, the correct answer is option 4.

Global sea level is changing primarily as a result of two factors: thermal expansion of seawater and the melting of land-based ice. As the Earth's climate warms, the oceans absorb more heat, causing seawater to expand and contribute to rising sea levels. Also, the melting of glaciers, ice caps, and ice sheets adds water to the oceans.

Over the past century, global sea levels have risen at an accelerated rate compared to previous centuries, primarily due to human-induced climate change. Rising temperatures have led to increased rates of ice melt in Greenland, Antarctica, and mountain glaciers. Satellite observations and tide gauge data show that sea levels have been rising at an average rate of around 3.3 millimeters per year since the early 1990s.

The consequences of rising sea levels include coastal erosion, increased frequency and severity of coastal flooding and storm surges, saltwater intrusion into freshwater systems, and the displacement of coastal communities.

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The given question is incomplete. Hence, the complete question is:

Identify the factors that influence global sea-level change. (Select all that apply.)

1. thermal expansion

2. melting glaciers

3. melting land-based ice caps

4. all of the above

what is the housing situation like in los Angeles?

Answers

Answer:

More than half of Angelenos today are renters, and almost half of renters spend at least half their income on housing. That's far beyond the federal definition of unaffordable housing (devoting over one-third of household income to housing). And it correlates with a rise in homelessness.

Explanation:

Hope this helps:)

~Kisame'sAbs

Where the Andes mountains are the widest-

A. Atacama

B. Altiplano

C. Orinoco

D. Madre

(right answer only!)

Answers

Answer:

B. Altiplano

Explanation:

Just took the quiz and got it right

What is the image of the point (1,5) after a rotation of 180∘counterclockwise about the origin?

Answers

the image of the point (1, 5) after a 180-degree counterclockwise rotation about the origin is (-1, -5).

To find the image of the point (1, 5) after a rotation of 180 degrees counterclockwise about the origin, we can use the following transformation rule:

For a rotation of θ degrees counterclockwise about the origin, the coordinates (x, y) of a point are transformed to (-x, -y).

Applying this rule to the point (1, 5) for a 180-degree counterclockwise rotation, we have:

(-1, -5)

Thus, the image of the point (1, 5) after a 180-degree counterclockwise rotation about the origin is (-1, -5).

To understand this transformation visually, imagine a Cartesian coordinate plane with the origin at (0, 0). The point (1, 5) is located in the first quadrant, above the x-axis and to the right of the y-axis. After a 180-degree counterclockwise rotation, the point will be reflected across both axes and end up in the third quadrant, below the x-axis and to the left of the y-axis. The x-coordinate changes from 1 to -1, and the y-coordinate changes from 5 to -5.

This transformation can also be visualized by imagining a line connecting the origin to the point (1, 5) and rotating it 180 degrees counterclockwise. The line will flip and extend in the opposite direction, resulting in the new position of the point (-1, -5).

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In what country is Estancia La Aurora?
Click the correct number of the country and select the two most prominent forms of tourism this attraction would involve.
1. Religious Tourism
2. Set Jetting Tourism
3. Uruguay
4. Peru
5. Chile
6. Bolivia
7. Mystical/Spiritual Tourism
8. War Memorial Tourism

Answers

Estancia La Aurora is located in the country of Uruguay (option 3).

The two most prominent forms of tourism this attraction would involve are Religious Tourism (option 1) and Mystical/Spiritual Tourism (option 7).

This is because Estancia La Aurora is a popular destination for those seeking spiritual and religious experiences, as it is believed to be a site of UFO sightings and other paranormal phenomena.

Therefore, visitors often come to this attraction for Religious Tourism, as they seek to connect with a higher power or find spiritual enlightenment, and Mystical/Spiritual Tourism, as they explore the mysterious and supernatural aspects of the site.

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According to the supremacy clause in the Constitution, what happens if a federal law and state law are in conflict?

a conference committee is called to resolve differences between the national and state law

the state law is sent back to the state legislature to be revised

the President is given the power to remove either law through the power of veto

the federal law takes precedence over the state law

Answers

When state law and federal law conflict, federal law displaces, or preempts, state law, due to the Supremacy Clause of the Constitution.

What are social impacts of building on floodplains in England

Answers

Answer:

The social impacts of building homes on floodplains in England is that it involves the risk of livelihood of those residing in the area.

Explanation:

The government of England decided to built about thousands of houses on floodplains, which has been opposed by many people. Despite the opposition, the government build the homes on the floodplains in England.

Building homes on floodplains have social impacts of its own. It involves risking the lives of those who reside in the houses build on floodplains. Though the government forms a rescue plan, but the damage that the floods cause on their homes and property is ignored. The experts have suggested their views saying that building homes on floodplains pertain more risk in flooding on the river banks. So, the above stated facts are the social impacts that building of homes on floodplains involves in England.

economic trends in China's Gross Domestic Product over a 50 period can be best describes as

Answers

The economic trends in China's Gross Domestic Product over a 50 year period can best be described as initially stable with a drastic increase in economic increase starting in the late 1980's.

What is a Gross Domestic Product?

As a component of National Income, the gross domestic product refers to total market value of all the finished goods and services produced within a country’s borders in a specific time period. As a broader measure of domestic production, a gross domestic product functions as the comprehensive scorecard of a given country’s economic health.

Based on the graph, we will conclude about the gross domestic product that the trend has been initially stable with a drastic increase in economic increase starting in the late 1980's.

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economic trends in China's Gross Domestic Product over a 50 period can be best describes as

Who are the stakeholders and what is their view on the issue?​

Answers

Answer: I hope this helps

Explanation:

Stakeholders are those who may be affected by or have an effect on an effort. They may also include people who have a strong interest in the effort for academic, philosophical, or political reasons, even though they and their families, friends, and associates are not directly affected by it.A stakeholder is a party that has an interest in a company and can either affect or be affected by the business. The primary stakeholders in a typical corporation are its investors, employees, customers, and suppliers.

Stakeholders are individuals, groups, or organizations that have an interest or concern in a particular issue, project, or decision. Their views on the issue can vary based on their interests, values, and how they are impacted by the outcome.

To demonstrate stakeholders and their potential perspectives on a problem, let's use the following example:

A proposed new highway would pass through a wildlife reserve, for instance.

Environment-related NGOs: Stakeholders in this topic are likely environmental organizations. They can object to the highway's development because they believe it poses a harm to the animals, biodiversity, and natural habitat of the nature reserve. They might promote more environmentally friendly transportation options or other routes.

Locals: People that live close to the natural reserve may hold various opinions. Some people might be in favor of the highway since it would facilitate commuting by enhancing connection and transportation. However, other people might be against it because of the possible noise pollution, increased traffic, and detrimental effects on property values.

Government Authorities: The highway may be seen as a tool to boost regional development and economic growth by government agencies in charge of infrastructure and transportation. Prior to deciding, they could also have to take into account public feedback and environmental evaluations.

Any issue's players may have nuanced, multifaceted opinions that are influenced by a wide range of factors. For making informed judgments and achieving compromise, it is essential to comprehend the viewpoints of different stakeholders. To effectively resolve the issue, it is crucial to interact with and take into account the interests of all pertinent parties.

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1. How would you describe the standard of living in the United States and Canada?

much higher in Canada

Ohigh in both countries

low in both countries

much higher in the United States

Answers

The description that would be given to the standard of living in both Canada and the United States is that it is high in both countries

What is meant by the term standard of living?

This is the term that is used to refer to the fact that the people tgat are living in a given geographical area are well and adequately taken care of in terms of the basic needs that they have so that they are not in the confines of poverty.

The standard of living has to do with the fact that the people here have wealth, they have the basic necessities that they have and they also have comfort as well as all material goods that they need.

The government would also provide all of the infrastructures that they need in the areas. These are two nations that are knon to be the developed countries that the worl has. They have a high regard for the citizens that they have as well compared to some other nations.

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when magma intrudes in horizontal rock layers, forming a large sheet sandwiched in between, it forms a .

Answers

It forms a sill! Please name brainliest!

From the excerpt, you can determine that for people living in the Great Plains, the Dust Bowl would be considered a
A)
push factor
B)
pull factor
C)
coastal front
D)
maritime tragedy

Answers

Answer:

A. Push factor

Explanation:

Took the test and got it right:)

Answer: A

Push Factor

Explanation:

How does a sea breeze occur?

Answers

Answer:

Sea breezes occur during hot, summer days because of the unequal heating rates of land and water. During the day, the land surface heats up faster than the water surface. Therefore, the air above the land is warmer than the air above the ocean.

Explanation:

Answer:

As the warm air over the land is rising, the cooler air over the ocean is following over the land surface to replace the rising warm air.

Select all of the following that you would expect to see in a stream near the headwaters, high above base level.
a. Braided Streams
b. Gravel
c. V-shaped valley
d. Meandering Streams

Answers

When we talk about the headwaters of a stream, we are referring to the very beginning of the stream where it originates, typically in high elevations, above the base level of the stream. At this stage, the stream is usually small and has a relatively steep gradient. The characteristics of the stream at this stage are different from those of the lower reaches of the stream where the gradient is gentler, and the stream has a larger discharge and greater energy.

So, what would we expect to see in a stream near the headwaters, high above base level?
First, we would expect to see a V-shaped valley. This is because the stream has a relatively steep gradient, and the water has enough energy to erode the surrounding landscape vertically, creating a V-shaped channel. The sides of the valley are usually steep and rocky.
Second, we would expect to see gravel. As the stream erodes the landscape, it picks up sediment, including rocks and gravel, which it carries downstream. Because the stream has a lot of energy, it can carry larger sediment than it would be able to do in lower reaches.


In summary, at the headwaters of a stream, high above base level, we would expect to see a V-shaped valley, gravel, and braided streams. We would not expect to see meandering streams.

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In the Northern Hemisphere, why do westerlies flow from the west but trade winds flow from the east?

Answers

Answer:

Both winds are affected by the Coriolis effect. In the Northern Hemisphere, the westerlies travel in a northerly direction. They appear to be deflected to the northeast by the Coriolis effect.

Hope this helps :)

Pls brainliest...

the Earth's rotation and the Coriolis Effect are responsible for the difference in wind directions for westerlies and trade winds in the Northern Hemisphere. Westerlies flow from the west, while trade winds flow from the east.

In the Northern Hemisphere, westerlies and trade winds have different directions due to the Earth's rotation and the Coriolis Effect.
1. Earth's rotation: The Earth rotates from west to east, causing the winds to be deflected.
2. Coriolis Effect: This is the apparent deflection of the wind due to Earth's rotation. It causes the winds to deflect to the right in the Northern Hemisphere.
Westerlies:
- They occur in the mid-latitudes, between 30° and 60° North.
- Due to the Coriolis Effect, winds in this region are deflected to the right, causing them to blow from the west to the east.
Trade Winds:
- They occur in the low latitudes, between 0° and 30° North.
- Due to the Coriolis Effect, winds in this region are also deflected to the right but originate from the high-pressure zones in the subtropics, causing them to blow from the east to the west.
In summary, the Earth's rotation and the Coriolis Effect are responsible for the difference in wind directions for westerlies and trade winds in the Northern Hemisphere. Westerlies flow from the west, while trade winds flow from the east.

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Give an example of human geography from the United States or Canada

Answers

Answer:

Examples of human geography from the United States or Canada

1. the presence of the largest and oldest megalopolises on the globe (Boswash, Great Lakes Megalopolis, Californian Megalopolis).

2. the largest urban agglomerations: New York City and Los Angeles.

3. the most populated regions in the United States (Atlantic coast: 4000 inhabitants/km²)

4. the population is a mixture of races and peoples, unique civilizations on the globe.

what is name of the medium used that is a lava rock or clay pellet?

Answers

The medium that is commonly used in gardening and hydroponic systems, and is known for its high porosity and ability to retain moisture, is called "growing media".

This includes various types of substrates, such as soil, coconut coir, peat moss, perlite, vermiculite, and others. In particular, lava rock and clay pellets are two types of growing media that have gained popularity among gardeners and hydroponic enthusiasts. Lava rock is a porous and lightweight volcanic rock that provides excellent drainage and aeration for plant roots. Clay pellets, on the other hand, are made of fired clay and offer good moisture retention and stability. Both types of media are suitable for a wide range of plants and can be used alone or mixed with other substrates.

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Canada's physical land scape

Answers

Answer: Canada has mountains, plains, lakes, valleys, and rivers. :)

What is the AVERAGE COST of a HOUSE in Bogota, Colombia. Please look up the answer on the internet!
Will give brainliest!
And 5 stars.

Answers

Answer:184,000

Explanation:

the closest land to the north pole is an island found where?

Answers

Answer:

greenland

Explanation:

This is because on a map it is closest with an approximate distance of 769k and the next closest being 800.

What do the earthworks constructed by the adena and the hopewell people tell us about their culture?.

Answers

The earthworks constructed by the Adena and Hopewell people indicate their spiritual beliefs, social organization, trade networks, agricultural practices, and artistic expression. These structures serve as tangible evidence of the rich and complex cultures that flourished in North America before European contact.

The earthworks constructed by the Adena and Hopewell people provide valuable insights into their culture. These ancient Native American civilizations left behind impressive earthwork structures that offer clues about their social, religious, and economic practices.

1. Spiritual and Religious Significance: The Adena and Hopewell people built large burial mounds and ceremonial earthworks. These structures suggest a strong focus on spiritual and religious beliefs. For example, the Great Serpent Mound in Ohio is an iconic earthwork that may have held symbolic significance related to fertility or the cosmos.

2. Social Organization: The construction of elaborate earthworks required significant labour and collaboration. These projects indicate a well-organized society with shared goals and specialized labour roles. The earthworks might have served as communal gathering places or centres for social and political activities.

3. Trade and Exchange: The presence of exotic materials, such as copper and marine shells, in some earthwork sites suggests long-distance trade networks. The Adena and Hopewell people likely engaged in extensive trade and exchange, indicating connections with other regions and cultures.

4. Agricultural Practices: The construction of earthworks required substantial knowledge of the landscape and natural resources. The Adena and Hopewell people likely practised sophisticated agricultural techniques to support their settlements. They may have utilized the fertile soils near the earthworks for growing crops.

5. Artistic Expression: The earthwork constructions demonstrate the artistic skills of these ancient civilizations. The geometric shapes and intricate designs found in some earthwork sites suggest a deep appreciation for aesthetics and creativity.

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occurs when normal skin cells undergo a change during which they grow and multiply without normal controls g three charges are located at the corners of an equilateral triangle of 10-mm side. what is the value of the electric potential at midway between q2 and q3? what is the individual mandate component of the patient protection and affordable care act? a rule that requires, with limited exceptions, that every resident of the country must enroll in a health insurance plan or pay a fine a provision that allows each individual patient to overrule insurance companies when selecting physicians and procedures a policy measure that assigns, or mandates, each patient to an approved primary care provider a declaration that each individual is responsible for his or her own health care needs and should not look to the government for assistance what is the primary reason for the individual mandate? to ensure that all sick people have health care coverage so their medical bills will be paid to reduce government's role in health care and rely more on markets to increase the profits of companies offering health insurance to make sure healthy people do not opt out and reduce the risk pool for insurance companies a 30 kg child slides down a playground slide that makes an angle of 45o with the horizontal. she starts 2.0 m vertically above the bottom of the slide. she ends up with a velocity of 3.0 m/s at the bottom of the slide. which of these observations is an indication that a chemical reaction has occurred?A.Color changeB.Bubble formationC.Change in temperatureD.Precipitate formationE.Salt dissolving Intrinsic motivation occurs internally and includes enjoyment and accomplishment.a. 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