When teaching about igneous rocks, one trick instructors often use to help students determine the igneous composition of the samples is to use the color of the rocks as a guide. Explain how the color of an igneous rock can often be used as an indicator of its igneous composition. Be sure to reference specific minerals for each composition.

Answers

Answer 1

Answer:

When teaching about igneous rocks, one trick instructors often implement to help students determine the igneous composition of the samples is to use the color of the rocks as a guide.

Answer 2

The color is a strong indicator to determine the composition of igneous rocks and its chemical composition. The light color indicates the presence of Felsic components which are rich in Silica.

Whereas the dark color indicates the presence of Mafic composition which is comparatively poor in Silica. Yet they are rich in Iron and Magnesium. This method of identifying the Igneous composition is called Color Index.

What is Felsic Composition?

" Felsic Composition is a material which has silicate minerals and is rich in lighter elements such as silicon, oxygen, aluminium, sodium and potassium."

What is Silica?

" Silica is a group of minerals which is composed of both silicon and oxygen."

What is Mafic Composition?

" Mafic Composition is a mineral rock that is rich in Magnesium and Iron."

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Related Questions

Where is the birthplace of democracy


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The birthplace of democracy is Athens

Which elements are included on this map? Check all that apply.

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Explanation:

which map

picture plz of that map ...

2 Señala, ¿Cùal de los siguientes dioses no es griego?

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Answer:

dioses griegos

De fuentes de la web

Zeus

Poseidón

Afrodita

Apolo

Hermes

Ares

Artemisa

Hera

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Demeter

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The economic prosperity of South America A. increased following World War 1 due to trade with Europe B. decreased following World War 1 due to a diminishing trade with Europe because of the war. C. increased following World War 1 due to feelings of optimism and peace. D. decreased following World War 1 because Europe no longer needed war materials that South America.

Answers

Answer:

The correct answer is - B. decreased following World War 1 due to a diminishing trade with Europe because of the war.

Explanation:

After the world war 1 the trade between south America nad Europe is diminished due to the war and it effect on Europian countries economy which result in the decreased in economic prosperity of south America.

After the diminishing the trade after the world war south America become more self-sufficient as a nation by manufacturing its own goods. Gold was the one of the main trading item other than pharmaceuticals, heavy machinery, and other war related items.

rue or False

When given an equation you should place each side of the equation into DESMOS with an equal sign in front of both.

Group of answer choices

True

False

No answer text provided.

No answer text provided.

Answers

Answer:

False

Explanation:

in the scientific calculator your not able to out an equal sign

Coastal plain features

Answers

Answer:

A coastal plain is a flat, low-lying piece of land next to an ocean. They are far away from mountains.

is the atmosphere just a bunch of gas?

Answers

Explanation:

The atmosphere is more than just layers of gases surrounding the planet.While the majority of the atmosphere is composed of nitrogen (N2) molecules, there are also oxygen and carbon dioxide (CO2) which plants and animals need to survive.

Answer

Yes, with a trace of a few elements it practically is just gas protecting us all.

Explanation:

“FAKE SPECIALIST” YAN LIMENG
Overnight, Yan Limeng has caused a sensation throughout the right wing media. The senior adviser of President Trump and conservatives who has authority seem her as a hero. The social media labelled her interview as a fake news just as quickly. Scientists refused her research and said that was sophistry disguised in jargon. In fact, in the process of undergraduate to doctoral education, Yan’s areas of expertise are not virology at all, not even science. In fact, Yan’s title of “Top virologist of World” is sheer fiction. A series of papers published by Yan were copy from conspiracy theory on the Internet. Also, that is despised by the mainstream scientific community.

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Answer:

what's the question? I think you need togive me your questions...

Why is it easier for Canada and the United States to trade

Answers

Answer:

we are neighboring countries

Explanation:

they are on our north border

They are besides each other which makes it easier to move things from a place to the other

If the sun rises north to east, then where does the sun set?

Answers

Answer:

The sun would South-west

describe the processes by which sediments are moved by streams and the flow velocities that are necessary to erode them from the stream bed and keep them suspended in the water

Answers

Answer:

a) process

saltation, rolling and traction suspension.

b) High flow velocities

Explanation:

The process by which sediments are moved by streams are

saltation, rolling and traction suspension.

The flow velocities that can erode sediments from the bed  and keep them suspended in water have to be extremely high to be able to carry the sediments after agitating them from the River Bed. and this is dependent on the volume and capacity of the water body

Which adaptation might protect a plant from a predator species?
A. Thorns
B. Roots
C. Green leaves
D. Pretty flowers
need help fast

Answers

A thorns need any thing else?

When we use stratigraphy to classify sediments, we use a. the orientation of the magnetic field at the time it was deposited b. all of these things and anything else we can find to establish a sequence of formation c. the nature (properties) of the sediment d. the fossil content (if any)

Answers

Answer:

The correct answer is b. all of these things and anything else we can find to establish a sequence of formation

Explanation:

Stratigraphy is responsible for the study of rocks as bodies of three-dimensional extension to determine their extension and sequence; and as a consequence, determine the order and order and temporality of the events of the terrestrial history recorded in the sediments. Sedimentary rocks have accumulated an enormous amount of stratigraphic data that is observable on exposed surfaces (natural outcrops), excavations, quarries, mines, well drilling, etc., and it is up to the stratigraph to organize and integrate this accumulation of information. Stratigraphy records in rocks: forms, lithological compositions, physical and geochemical properties, original successions, age relationships, distribution and content of fossils; All these features serve to recognize and reconstruct geological events sequentially.

The magnitude of an earthquake provides a convenient measure of its size scaled to a small number usually less than 9.

a. True
b. False

Answers

Answer: False i think if I'm wrong then I'm sorry

Explanation:

Cà mau nằm ở khu vực nào

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Answer:

Ca mau es una ciudad en el sur de Vietnam.

Critically discuss why the environment in most communities is still dirty, despite the existence of various local government structures?

Answers

Explanation:

the environment in most communities it still dirty despite that list in the various local government structure this is due to the lack of awareness in the people as people are throwing their garbage his home vestige products in everywhere in the street or the reasons for sales of water near their homes there is lack of cleaning campaigns there is the existence of local government structures but due to lack of sincerity and due to political instability government is not able to focus on the pollution going on in our society

please mark me the brainliest

Which of the following phenomena would most likely be studied by a physical geographer?

Answers

Answer:

human environment

Explanation:

Answer:

How many polluted rainfalls does Seattle receive per year?

Explanation:

Recall that physical geography studies location (Seattle) of phenomena (e.g., polluted rainfall), processes that changed this (presence of air pollution), and how people are affected (creation of pollution and impacts of polluted storm water).

According to the Greek Earth-centered model of the universe, apparent retrograde motion

Answers

Answer:

The heliocentric model explains retrograde motion because Mars only appears to move backward as Earth passes it in its orbit around the Sun. ... To explain the retrograde motion of planets, it was suggested that the Earth and planets orbit around the Sun (heliocentric, or Sun-centered model).

Explanation:

Mark Brainliest please

Apparent retrograde motion
The word planet comes from the Greek 'planete' which means 'wandering', this because they were the only ones with the properties of modifying their position with respect to the fixed stars in the deep sky. For the Greeks, the sun, the moon, Mercury, Venus, Tuesday, Jupiter and Saturn were considered planets.

Answer and Explanation:
It occurred when the planet that was observed retreated in its orbit around the sun, it was giving an apparent image that once the body advanced in its orbit, it began to retreat and again to advance. At that time, there was no knowledge of the heliocentric system and that what was observed as a retrogression was a projection on the celestial plane of the planet, circling the sun.

http://www.astronomy.ohio-state.edu/~depoy/Astro161/Notes/class5.pdf

Two identical homes are built on different earth materials. The first home is built on solid, hard metamorphic rock and the second home is built on soft sedimentary materials. Based on this information, which home will suffer more damage during an earthquake. Explain your conclusions and why the damage would be different.

Answers

Answer:

a. The second home built on soft sedimentary material will suffer more damage.

b. A large amplitude implies bigger waves and thus more damage than in the solid hard metamorphic rock.

c. The second home built on soft sedimentary material will suffer more damage than the first home is built on solid, hard metamorphic rock because of the rock type.

Explanation:

a. Based on this information, which home will suffer more damage during an earthquake.

The second home built on soft sedimentary material will suffer more damage.

b. Explain your conclusions

This is because earthquakes travel faster in hard material and thus have a smaller amplitude but move slower in soft material but have a large amplitude. A large amplitude implies bigger waves and thus more damage than in the solid hard metamorphic rock.

c. Why the damage would be different.

The damage would be different because waves with large amplitude move through the soft sedimentary rock while waves with smaller amplitude move through the hard metamorphic rock. A large amplitude implies a large wave and thus more damage than a smaller amplitude.

So, the second home built on soft sedimentary material will suffer more damage than the first home is built on solid, hard metamorphic rock because of the rock type.

Question 1 of 20
Match the water cycle element in column 1 with the characteristic in column

Answers

Hi. You have not presented the elements of the columns that the question refers to. This makes it impossible for this question to be answered. However, when searching for your question on the internet, I was able to find another question exactly like yours, which showed the following elements:

Column 1: A percipitation B transpriation C condensation D evaporation

Column 2: A Raising from plants B Forming droplets C Falling to Earth D Becoming solid

So I hope the answer below can help you:

Answer:

Falling to Earth: Precipitation.    

Raising from plants: Transpiration.  

Becoming solid: Deposition.  

Forming droplets: Condensation.

Explanation:

The water cycle is the continuous movement of water molecules through living beings and physical environments. This movement allows the water molecules to be used by living beings, but they become available again, which ensures that this liquid never runs out. During this cycle, precipitation refers to rain, that is, the fall of water from the sky, which can be in the form of liquid water, snow or hail. The water cycle also has a phase called transpiration, which is the water released by plant leaves, in the form of water vapor.

Another phase of the water cycle is called deposition, which occurs when water vapor in the atmosphere is frozen and becomes solid, forming ice.

There is also a phase called condensation, which occurs when water vapor present in the atmosphere is cooled to the point of becoming liquid water.

Which principle of the free enterprise system states that consumers ultimately have
the power to decide if a business will succeed or fail?
A) Profit motive
B) Supply and demand
C) Free competition
D) Consumer sovereignty

Answers

Answer:

D) Consumer sovereignty

Explanation:

consumer sovereignty is a principle of the free enterprise system. and they have that power to to finalize

That a business will Suceed or fail.

I hope this helped!

The image shows mountains in Alaska.



Which describes the main feature of the circled area of these mountains?

A syncline is visible.
An anticline is visible.
These mountains show no evidence of folding.
These mountains likely formed from normal faults.

Answers

Answer:

C. These mountains show no evidence of folding

Explanation:

I took the test

The Alaska mountainous ranges in a particular  region do not show evidences of folding.

What is the significance of the Alaska Mountains?

Alaska is one of the biggest mountain ranges situated in the south-central region of the United States. It also holds the highest peak in the North American region.

The image attached above confirms to the fact that the Alaska Mountains in the marked region show no evidences of folds in the peaks.

Hence, option C holds true of the Alaska Mountains.

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what removed the carbon dioxide from the primeval atmosphere?

Answers

Answer:Photosynthesis removed the carbon dioxide from the primeval atmosphere.

what was the first president in somalia​

Answers

Who was the first president of Somalia?

The first president of Somalia was [tex]\sf\purple{Aden\: Abdullah \:Osman\: Daar}[/tex].

[tex]\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35}}}}}[/tex]

Aden Abdulle Osman Darr :)

what is the most important factor in causing mass movement​

Answers

Gravity is the main force responsible for mass movements

Gravity is a natural phenomenon that attracts objects to each other. The important factor, that causes the mass movement, is gravity,

What is gravity?

Gravity is also called gravitation. It is a natural phenomenon in which all things with mass and energy are attracted to each other.

This included the stars, planets, galaxy, and surprisingly it also included the light.

As coming towards earth, gravity provides weight to physical objects.

Gravity is the main force that is responsible for mass movement. The component of gravity mainly helps in holding the objects.

Therefore, the correct option is gravity.

Learn more about gravity, refer to:

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explicar los conflictos limitrofes que se tuvo con uruguay

Answers

Answer:

Con Brasil.

Explicación:

Hay un conflicto fronterizo de Brasil con Uruguay porque ambos reclaman algunas regiones su propiedad que está presente en la frontera. La Isla Brasileña y la Esquina de Artigas son las dos áreas en disputa ubicadas en la frontera entre Brasil y Uruguay. En la actualidad, estas dos áreas están bajo el control y la administración de Brasil, que desde hace décadas son reclamadas por Uruguay, por lo que Brasil es el país que tiene conflictos fronterizos con Uruguay.

World Music : Week 8: Music of South America and Mexico and answer 2 questions below;1. You should read "Chapter 12: South America and Mexico" first, and then answer the following questions.Your post should be 1-2 paragraphs about 200 words.1) To what extent do each of the musics in this chapter reflect pre-Columbian, European, or African musical traits?2) Can you provide an example of how the survival of indigenous music and culture was challenged by modernization and environmental degradation?

Answers

Answer:

Q1. To what extent do each of the musics in this chapter reflect pre-Columbian, European, or African musical traits?

African music is rhythmic and vocalists utilize a vast variety of sounds.  

Europian music is based more around traditional and instrumentation, with music threory in the premise of what was being played.  Local individuals of Andes in South America, particularly individuals in country regions and rainforest regions, protected melodic practices accepted to originate before the appearance of Columbus. Music found in arban regions uncovers infuences from Eurpe explicitly Spain and Portugal and West Africa.

Q2) Can you provide an example of how the survival of indigenous music and culture was challenged by modernization and environmental degradation?

The modernization and natural environmetal destruction negatively affected native music and culture. African music found in the endurance of it's common and religious background. Music traces all the way back to pre-Columbian time stayed unaltered for some time to protect custom. Native practice, Europian determined music and African roused melodic exercises. As time advanced, societies attempted to stay consistent with their foundations while additionally progressing and modenizing.

Once a terrestrial planet had formed from a large number of planetesimals, additional thermal energy from ________ could have melted it and allowed it to differentiate into a dense metallic core and a lower density crust.

Answers

Answer:

radioactive decay

Explanation:

Radioactive decay occurs as the nucleus of a set of unstable isotopes is disrupted as a result of great atomic instability. The nuclear breakdown releases a large amount of thermal energy, which has a very high temperature. An example of radioactive decay occurs when terrestrial planets form through a group of planetesimals. The thermal energy released in this process can even melt this planet.

The pie chart tracks the percentage of renewable energy that’s being used in a particular community near the ocean. What are two advantages of using this type of graph for this particular data set?

Answers

Answer:

A. Readers can compare relative amounts of each type of renewable energy.

C. Readers get a quick visual on how each type of renewable energy contributes to the whole

Explanation:

Looking at the pie chart with each stated percentage consumption of each renewable energy sources, one can get a quick visual representation for easy understanding of how each contributes to the energy consumption that are renewable and also be able to tell how efficient each is.

For example, biomass has a percentage of 48%, which is the highest. Without knowing the actual amount consumed in kilojoules, we can visualize biomass as being the most dominant renewable energy source and that which will have the largest relative amount of renewable energy consumed compared to the rest.

Two advantages of using a pie chart can therefore can be summarized as:

A. Readers can compare relative amounts of each type of renewable energy.

C. Readers get a quick visual on how each type of renewable energy contributes to the whole

Japanese leaders are concerned about the country's aging population and declining birth rate because
A) an aging population means that Japanese society will become less dynamic than in the past.
B) an aging population means that government services for the elderly will be increasingly utilized.
C) a declining population would result in a loss of membership in international economic organizations.
D) a declining birth rate means that fewer workers will be expected to support greater numbers of elderly, placing a financial burden on the workers.

Answers

Answer:

D. fewer workers will be expected to support a greater number of elderly placing financial burden on the workers or forcing the government to step in to help support them.

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