Which type of rock is pegmatite?
A. Extrusive igneous
B. Sedimentary
C. Metamorphic
D. Intrusive igneous

Which Type Of Rock Is Pegmatite?A. Extrusive IgneousB. SedimentaryC. MetamorphicD. Intrusive Igneous

Answers

Answer 1

Answer:

D. Intrusive igneous

Explanation:

Diorite, granite, pegmatite are examples of intrusive igneous rocks. Extrusive igneous rock: These rocks erupt onto the surface resulting in small crystals as the cooling takes place quickly. The cooling rate is for a few rocks is so quick that they form an amorphous glass. Basalt, tuff, pumice are examples of extrusive igneous rock.

Answer 2

Answer:

It is in fact D. (Intrusive igneous)

Explanation: Intrusive igneous rocks crystallize below Earth's surface, and the slow cooling that occurs there allows large crystals to form. Examples of intrusive igneous rocks are: diabase, diorite, gabbro, granite, pegmatite, and peridotite.


Related Questions

Mercury's days and years or more Simular it in length than Earth days in a year​

Answers

Answer:

ye

Explanation:

yep

The distribution of _________ around the globe provides the primary indicator of the boundaries between lithospheric plates.

Answers

Answer:

Earthquakes

Explanation:

What are 2 different factors that led to the decline of the russian empire?

Answers

Answer:

Bad Leadership, Famine

Explanation:

Which part of Asia has deserts ? Name the deserts.
Please help me.....​

Answers

The Arabian Desert, Gobi Desert
and the Karakum Desert

Which two European Countries have a Federal system?*

Russia and U.K.

Russia and Germany

Germany and U.K.

U.K. and Germany

Answers

Germany and the U.K.

Which Nation has 40 percent of its nation represented by christians?

Answers

Answer:

Lebanon

Explanation:

brainliest please and if I'm wrong don't mark me brainliest :)

Answer:

Lebanon

Explanation: If you have a quiz with choices of (IRAN, SYRIA, ISRAEL, LEBANON). The others are: IRAN/SYRIA (MUSLIM) AND ISRAEL (JUDAISM)

which element rarely reacts because it has 8 electrons in it's outer shell


A. nitrogen
B. selenium
C. krypton
D. chlorine​

Answers

Answer:

the answer is c krypton

Explanation:

it is in the halogens

Answer:

C) Krypton

Explanation:

HOW WEATHERING EFFECTS HILLS ?

Answers

Answer:

Explanation:

Weathering changes things around us gradually over long periods of time. Over millions of years, it wears mountains down to hills. Weathering affects both naturally formed rocks and human-made structures such as buildings and streets

Explain the meaning of the cartoon and caption:​

Answers

Answer:

He was taking down traditional values and the royal family, along with British law.

Explanation:

How does the big bang theory came into existence?​

Answers

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The best-supported theory of our universe's origin centers on an event known as the big bang. This theory was born of the observation that other galaxies are moving away from our own at great speed in all directions, as if they had all been propelled by an ancient explosive force.

Answer:

Cosmic background radiation still exists from the Big Bang and can be seen with radio telescopes. The big bang theory is the explanation of the red shift observed by Hubble.  

Explanation:

It is the theory that the universe began expanding rapidly from a singularity about 14 billion your ago and the universe continues to expand to this day, we can tell the universe is expanding because the further an object is from us the faster it is moving away from us. The universe may have been infinitely large at the Big Bang and it is getting infinitely larger. In the 1920s Edwin Hubble made the observation that the universe had a prevailing red shift. This implied that the present observable universe had a beginning. The Big Bang theory is an attempt to explain the beginning of the universe implied by the evidence of an expanding universe.  Logically if the universe is expanding outwards then extrapolating backwards all the universe must have existed in one small space at the beginning. Einstein's theory suggests the existence of singularities where time and space does not exist. The entire universe is a small space would create a singularity because of the massive density of all the matter of the universe being in one place.  The theory is that this singularity with its mass exploded creating our present universe. The theory does not explain where or how the singularity came to exist, but does explain the beginning of the universe.  The previous theory of a steady state universe was abandoned because of the empirical evidence of an expanding universe that had a beginning. The present theories of an oscillating universe of big bangs and big crush is being seriously questioned by empirically evidence that rate of expansion of the universe is increasing. The evidence of an increasing rate of expansion indicates that the present observable universe will have an ending it will not recycle.

Why did the United Nations rename the ‘Middle East’? What name did it
give the region?

Answers

Answer:

1. Because they wanted have communications.

2. The term "Middle East" originated from the same European perspective that described Eastern Asia as "the Far East." The Middle East denotes the transcontinental area between Western Asia and Egypt.

Why is it important that we learn about our solar system, the sun, and planets in our solar system other than Earth?

Answers

Solar system so that way of earth dies out we know our choices
Sun- provides life-giving light, heat, and energy to Earth; and generates space weather
It tell use how we came to be. How everything was formed.

Why is the sea level increasing? How does it effect in Small islands and coastal areas?
Please help me........​

Answers

Answer:

Global warming makes the polar icecaps melt, and costal areas are more prone to flooding and become uninhabitable because of rising sea levels.

Explanation:

The global icecaps (the north and south poles), are made of all ice. Because the planet is getting warmer, that ice is melting. This puts more water in the ocean, making the sea level higher.

Answer:

Sea levels increase due to global warming. This causes floods.

Explanation:

Can i get brainliest?

how could block mountain formed

Answers

Answer:

I used magma to create mountains

where is the north sea located which region?

Answers

Answer:

Japan is the answer for this question

What is a goal of European social democracy?
A. To weaken government social services
B. To spread Socialism throughout the world
C. To provide social services
D. To end Communism

Answers

European social democracy's objectives include to offer social services. Option C is correct.

What are the characteristics of European social democracy?

While European governments may not always adopt the same social model, European welfare states have certain major traits.

Acceptance of political responsibility for employment levels and circumstances, social safeguards for all people, social inclusion, and democracy are examples of these.

Social democracy is a governing system with principles similar to socialism but operating inside a capitalist framework. The concept, called after democracy, in which people have a say in government acts, promotes a competitive economy with money while also assisting individuals with low-paying employment.

In the twenty-first century, it has been popular to refer to social democracy as the European social democracies, particularly the real governments in Northern and Western European countries, mainly in relation to their welfare state model and corporatism collective bargaining system.

Therefore, option C is correct.

Learn more about the social democracy, refer to:

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The Nile River ________. has its headwaters in the desert is ephemeral is in Europe is building a huge sand delta is without major tributaries in the desert

Answers

Considering the geographical analysis, the Nile River is building a huge sand delta.

Where is the Nile River?

Nile River is located in the northern part of Africa, and it flows between the desert area in Sudan and Egypt.

At the mouth of the Nile River, there is a delta formed that flows into the Mediterranean sea.

However, while the delta flows into the Mediterranean sea, a huge sand delta is formed.

Hence, in this case, it is concluded that the correct answer is option D. "is building a huge sand delta."

Learn more about the Nile River here: https://brainly.com/question/1999237

Anne releases a stone from a height of 2 meters. She measures the kinetic energy of the stone at 9.8 joules at the exact point it hits the ground. What is the mass of the stone?

Answers

Eₖ = √1/2 mv²

Eₖ/v² = 1/2 m

2Eₖ/v² = m

mgh = 1/2 mv²

gh = 1/2 v²

2gh = v²

v = √2gh

= √2 × 10 N/kg × 2 m

= 6.324 ms⁻¹

m = 9.8/(6424)²

= 9.8/39.993

= 0.245 g

I am not sure if it's correct.

i transposed for m in the first equation then to find the velocity I combined the potential and kinetic energy equation. there was no mass because velocity doesn't depend on the mass

Then I used earth's gravitational field strength (g) 10 N/kg and the 2 m was the height provided in the question

you can try working and see if you get the same

A passive eruption that primarily forms lava flows and minor scoria is termed a __________________ eruption.a.Hawaiianb.Vulcanianc.Plineand.Strombolian

Answers

Answer:

A. Hawaiian

Explanation:

A Hawaiian eruption is a type of volcanic eruption where lava flows from the vent in a relatively gentle, low level eruption; it is so named because it is characteristic of Hawaiian volcanoes

*ILL MARK BRAINLIEST*

Peaks in immigration to the United States reflect changing circumstances at the global scale. Refer to the graph above to answer
the following:

C. Identify an economic motivation for migration.

G. Describe how chain migrations impact the cultural landscape.

Answers

Answer:

C. The great depression scared many people away from the United States to the difficulty in finding jobs or maintaining a healthy life. In 70's and 80's, production of goods and other things drove up the demand for labor, as seen in the graph. Most Asian workers who came to America did so in order to send back money to Asia in order to support their families. They thought that this would be more beneficial then staying in Asia due to the extremely low pay.

D. The mass influx in migration effects a nations culture. Why? An increase of global views and perspectives on something can change the way a mass thinks. For example, the cultural idea behind food, as to why Chinatown is a thing in various states.

Explanation:

Don't copy this word for word as FLVS will flag your test as cheating. Best of luck.

The farther from a mid-ocean ridge a rock sample is taken,
the younger the rock is.

Answers

False. The closer it is to the mid-ocean ridge, the younger it is.

What is structural adaptation?
O changes in the way an organism behaves so as to
survive in a given environment
O physical changes in an organism in order to survive
in a given environment
O invisible changes in an organism in order to survive
in a given environment
O changes taught to an organism by external stimuli
in order to survive in a given environment

Answers

Structural adaptation is Physical changes in an organism in order to survive.
Physical changes in an organism in order to survive

Where do you lie on the political compass?

A) Authoritarian Right
B) Authoritarian Left
C) Libertarian Right
D) Libertarian Left

Answers

Answer:

C

Explanation:

Just where I stand on the political compass.

c
libertarian right

which is better?

Garchomp or Alola Vulpix

Answers

Garchomp all the way

The Earth and Moon have different geologic processes. Select the geologic processes that are responsible for the Earth's continuous deformation and Formation. (Select all that apply)

Constant meteor impacts
Erosion
Plate tectonics
Volcanic activity
Solar energy

Answers

Number 2, Number 3, Number 4

The Earth and Moon have different geologic processes. The geologic processes that are responsible for the Earth's continuous deformation and Formation are plate tectonics and volcanic activity. The correct option is (C & D).

What do you mean by the Earth's formation?

Around the young sun, 4.6 billion years ago, a mixture of dust and gas gave rise to the Earth. It expanded as a result of numerous collisions with asteroids, dust particles, and other expanding planets, including one final massive impact that flung enough rock, gas, and dust into space to create the moon.

The core accretion model, which is the first and most widely recognized hypothesis, does a good job of explaining how terrestrial planets like Earth are formed, but it falls short when it comes to large planet formation.

Therefore, the Earth and Moon have different geologic processes. The geologic processes that are responsible for the Earth's continuous deformation and Formation are plate tectonics and volcanic activity.

To know more about the Earth's Formation, visit:

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Did Ron Dellums live in Oakland, CA when he was mayor?

Answers

Answer:

The answer is Yes

Explanation:

He was the mayor of Oakland, California from 2007 to 2011

Hope this Helps

why do people create structure and change government

Answers

Answer:

people change government because as technology and culture changes,old laws,governments become obsolete

To which Earth system do people belong?
a) biosphere
b) geosphere
c) hydrosphere
d) atmosphere
e) None of the listed responses is correct

Answers

The answer is A) biosphere.

In your opinion, does civil engineering interest you?

Answers

Answer:

No.

Explanation:

Because it is something that I don't want to learn a lot about.

what happens when an oceanic and continental meets

Answers

Answer:

When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called subduction, occurs at the oceanic trenches. ... The subducting plate causes melting in the mantle above the plate. The magma rises and erupts, creating volcanoes.

Explanation:

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