(Q020) Diamonds a. are brought from the mantle to the surface in magma that hardens into kimberlite. b. are found in carrot-shaped structures called pegmatites. c. of industrial quality (non-gem quality) have no use and are usually discarded. d. are exceedingly rare, which is why their price is so high.

Answers

Answer 1

Answer:

A. are brought from the mantle to the surface in magma that hardens into kimberlite

Explanation:

Diamonds are brought to the surface from the mantle in a magma that is known as the kimberlite. This kimberlites is rich in gases and it is an igneous rock that has the following minerals,olivine, phlogophite, serpentine etc.

The origination of diamonds in the mantle happens as carbon transformation occurs due to heat and pressure occurs. The kimberlite pipes and what brings the diamonds to the surface


Related Questions

Describe the impact of urban growth on the environment and the problems associated with urban decay.

Answers

Answer:

Impact of urban growth on the environment and the problems associated with urban decay:

Urban growth has led to the degradation of the environment. With more and more urban development, pollution has become a major problem.

Urban growth means more traffic which in turn leads to more pollution. The rising pollution has an adverse impact on the environment and also causes may health hazards.

Urban decay has also become common where people move from one city to another in search of employment and better standard of living.

Urban decay gives rise to wastelands and also misuse of natural resources that are already limited.

Explanation:

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The steel and coal industries of which two countries did not help restore Europe's economic prosperity following World war 2?
A) Spain and Denmark.
B) France and West Germany.
C) Italy and Belgium.
D) Luxembourg and the Netherlands.

Answers

A) Spain and Denmark
B. Spain and Denmark

Which statement best describes the rock shown? The grains of this rock are jagged. The grains in this rock are tiny. This rock has a non-banded pattern. The color of this rock is determined by its texture.

Answers

The statement that describes the rock shown is C. This rock has a non-banded pattern.

A rock simply means a solid mass of geological materials that gave been broken down from fossils or other rocks.

It should be noted that the statement that describes the rock shown is that the rock has a non-banded pattern. A rock typically consists of minerals.

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Answer:

C

C

B

C

B

B

B

C

A

B

Explanation: trust me- i got 100%

See if you can explain why it takes six times as much water to produce 1 kg of beef as 1 kg of rice.

Answers

Answer:

because beef is denser than rise and there is also a larger surface area than the rice so it takes more water whereas the rice is just lots of seperate pieces and has a smaller surface area so therefore you don't need as much

Beef is denser and contains a larger surface area than rice does

List all the county’s in the Ouachita Mountain Regions in Arkansas

Answers

Answer:
The largest cities in Ouachita Mountain subdivisions are: Hot Springs and Mena (Polk County). Other smaller county’s include: Mount Ida (Montgomery County), Glenwood (Pike County), Jessieville (Garland County), and Caddo Gap (Montgomery County).
I hope this is what you were looking for!

The Founders adopted the ideas of
A. French traditions
B. Ancient democracies
C. Autocratic Government’s
D. Strong monarchies
and their own experience of self-government while
forming their new government. There were forms of self-government in North America, including the Iroquois
Confederacy, the Mayflower Compact, and
A. Louisiana
B. The Dutch colonies
C. The house of Burgesses
D. New Spain

Answers

Answer: B for the 1st question and C for the 2nd question

Explanation: The founding fathers were enlightened thinkers, meaning to reasoned and see things the way they are. They were influence of the ideas of ancient democracies such as those of ancient Greece and the republic of the Roman empire before Julius Ceasar.

Democracy comes from the Greek word, demos meaning people and ocracy, meaning society of. The word means society of the people.

The senate comes from the Roman empire.

Hope this explanation helps.

Why are enclaves or exclaves created? In a short paragraph, give an example to show you understand these two concepts.

Answers

Answer:

Enclaves and exclaves may be created because of ethnic or cultural differences. As political boundaries change, some groups may be separated or split into different territories. ... An enclave is a territory or country with boundaries that are completely within the boundaries of another country.

Explanation:

The cracking of rock due to heat is an example of _______. A. Erosion b. Physical weathering c. Chemical weathering d. None of the above Please select the best answer from the choices provided A B C D.

Answers

Answer:

.D

Explanation:

WIND

winters my favourite season. Do you love winters?​

Answers

Answer:

Explanation:

i do

Answer:

Here you go

Explanation:

My favourite season is winter. In winter, it will be very chilly. The days will be short and the nights will be long. Winter hits during the start of December and the end of February.  

During this time festivals like Thanksgiving and Christmas are celebrated. We wear woollen clothes to make us feel warm. The most pleasing part is our winter vacation starts. We get up a bit than usual. During this term, some people travel to places like Switzerland and Germany while others visit their grandparents in India.

I love to get up and drink the hot - chocolate that my mother made for me. I have never touched snow so I wish to do that. But this season also brings difficulty to homeless people as it is cold outside. As per my recommendation, the best place to go is too hilly areas as the scenery is gorgeous. Some fruits that I eat during this time is oranges, banana and pineapple.  

All seasons have their beauty. Since the formation of the earth, many magical things happen on earth and the other planet become a part of it, we should be thankful that we get this beauty called nature.

explain how water erosion by groundwater can form a cave

Answers

Answer:-

Working slowly over many years, ground water travels along small cracks. The water dissolves and carries away the solid rock gradually enlarging the cracks, eventually forming a cave. Ground water carries the dissolved minerals in solution. The minerals may then be deposited, for example, as stalagmites or stalactites.

The theory of continental drift was widely unaccepted until scientists started using ________ to map the ocean floor. Question 6 options: Maps SONAR (Sound Navigation and Ranging) Submarines Volcanoes.

Answers

Answer:

Scientists started using Sonar to map the ocean floor :)

Consider the information you have read and watched about the genocide and violence that has plagued Darfur. Imagine you are a civilian living in that region of Sudan. Write a personal essay about the obstacles you have faced and the actions you have been forced to take. How has the genocide affected and changed your life?

Answers

Based on the information given, the essay will be written thus:

War is bad as it leads to the destruction of lives and properties. It has several other negative effects such as death of loved ones, migration to new homes, etc.

During the Sudanese war, I faced several obstacles, I had to hide to avoid been shot at. It wasn't easy going through such moments. It was a bad experience that I won't with for anyone. It's important to iron out differences and live peacefully.

An essay is a piece of writing that outlines the perspective or the point of view of a person.

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list and define the types of soil​

Answers

Answer:

loamy soil

sandy soil

clayey soil

i will give u the rest on comment

Answer:

loamy soil

sandy soil

clay soil

Peat soil

Chalk soil

loam soil

Silt soil

Explanation:

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What items are traded in Oceania?

Question 2 options:

taro and yams


foodstuffs and fuel


fish and shrimp


shells to use for money

Answers

Answer:

Foodstuffs and fuel

Explanation:

I found this answer on a quizlet, which is a very high probability that it is correct.

Question: How did geography shape the political development (structure of government) of ancient Greece

Answers

Answer:

The mountains isolated Greeks from one another, which caused Greek communities to develop their own way of life. Greece is made up of many mountains, isolated valleys, and small islands. This geography prevented the Greeks from building a large empire like that of Egypt or Mesopotamia.

Hoped this helped!

give one example of catastrophic global change

Answers

Answer:

the decrease of biodiversity and species

Explanation:

Measured by weight, or biomass, wild animals today only account for four percent of mammals on Earth, with humans (36 percent) and livestock (60 percent) making up the rest.

russian territory nearest the arctic ocean experience low amounts of precipitation and low temperatures throughout the year creating a biome characterized by

Answers

Answer:

Tundra

Explanation:

The population pyramids above represent two countries at different stages of the demographic transition and economic development.

Define the demographic transition model.
Identify demographic factors that influence the stage of development for Country A.
Identify demographic factors that influence the stage of development for Country B.
Define dependency ratio.
Identify one negative impact the dependency ratio can have on economic development.
Identify one positive impact the dependency ratio can have on economic development.
Explain how public policies are impacted by population demographics.

Answers

Answer:

Country A: Stage 2 with a high birth rate and a youthful population and is a developing country.

Country B: Stage 4 with a low birth rate and low death rate with an aging population. It is a developed country and there is a possible Stage 5.

Explanation:

I hope this helps!

what is the equation parallel to y=3/5x-7 and passes through (15,8)

Answers

y=3/5 x − 7  

slope = 3/5

parallel lines, slope is the same and slope = 3/5

passes through (15, 8)

b = y - mx

b = 8 - (3/5)(15)

b = 8 - 9

b = -1

equation

y = 3/5(x) - 1

Explain the meaning of Redshift in relation to movement of other galaxies relative to our own Milky Way galaxy.

Answers

Answer:

A Redshift reveals how an object in space is moving compared to us.

Explanation:

Explanation:

Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. The concept is key to charting the universe's expansion.

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Name the process of wind erosion in which the loose particles of sand act as a sand paper.

Answers

Answer:

Abrasion is the answerrr

the different conditons for a cyclone​

Answers

[tex] \: \: \: \: \: \: [/tex]

the temperature of the underlying ocean or, more specifically, by the thermal energy available in the upper 60 metres (about 200 feet) of ocean waters.

Typically, the underlying ocean should have a temperature in excess of 26 °C (about 79 °F) in this layer.

hope it helps

megathrust faults occur on which type of tectonic plate boundary?

Answers

Answer:

Megathrust earthquakes occur at convergent plate boundaries, where one tectonic plate is forced underneath another. The earthquakes are caused by slip along the thrust fault that forms the contact between the two plates.

Which choice shows a correct way to solve 8 × 13?

Answers

stack on top of each other first, then solve 8x3 which is 24 fit the 4 in your answer and put the two with the one, multiply 1x8+2 and you wills have your answer of 104

Answer:

I cant see the opoptions but depending on how you use it, and many people do it in different ways! ☻

8×(10+3) 10 x 8 =80 and then 8 x 3=24 then add 80+24= 104

An example of a block mountain in Jamaica is...?

a. Blue Mountain
b. John crow mountain
c. Cockpit country
d. Long mountain ​

Answers

Answer:

your answer should be Blue mountains

Explanation:

hope this helps! :)

A block mountain is a mountain that is formed by the fault blocks of rocks that are sometimes hundreds of kilometers. They are created by tectonic events. Where the large areas of bedrocks are disputed by the faults.

A blue mounting is a range of mountains in Jamaica. These mountains are characterized by a uniform type of lithology. The se are forced by the lifting of the faults and an indicator of the external tectonic activity.

Hence the option A is correct.

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to identify a rock which two characteristics do geologists study

Answers

Well they actually observe 3 things. The color, mineral composition and the texture.

what is all the words you can make from sellix
(ALL THE WORDS)
PRIZE AT THE END

Answers

Answer:

lexis

silex

lisle

sell

lies

isle

Explanation:

can i have a brainliest plz

Answer:

I'll comment so you can get your Brainliest

Explanation:

Which of the following would be a PUSH factor of a country?
A. High Life Expectancy
B. Large Gross Domestic Product
C. Overpopulation
D. Large infant mortality rate

Answers

Answer:

D

Explanation:

A push factor is pushing migrants away from a country having a mortality rate of children would puah anyone away

Identify and explain three states that a volcanoes can exist in.

Answers

Answer:

Alaska 141

California 18

Oregon 17

Explanation:

NATO and the Warsaw Pact were two compelling allies during which time period

Answers

Answer:

They competed during the Cold War.

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