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borishaifa [10]
3 years ago
8

When coal has reached it hardest, darkest form, it is called

Biology
1 answer:
marishachu [46]3 years ago
6 0

When the coal reaches its hardest and the darkest form then it is termed as anthracite.

Answer: Option D

<u>Explanation:</u>

The hardest among the coal is called as the anthracite. It has large amount of carbon atoms and it is also regarded as the best quality of coal that is being mined.

This is mostly prevalent in South Korea, North Korea, United states, United Nations, Canada etc. This is mainly used in the steel making process and is combined with many alloys for enhancing their property.

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True or false: during stressful events, there is decreased blood supply to the skin, which results in "goose bumps."
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False.
In a stressful event, there will be a hormone released to the blood called adrenaline. Adrenaline hormone can prepare the body for fight or flight response. One of the effects of this hormone is making the muscle around hair called musculus arrector pili contracted. This contraction of the muscle is what causing the goosebumps. The decreased blood supply has no role in this event.
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3 years ago
The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articu
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Explanation:

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2 years ago
Schizotypal personality disorder and schizophrenia share some characteristics, but one characteristic they do not have in common
jasenka [17]
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3 years ago
I don't know about this application.​
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Answer:

Show us the application first

Explanation:

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