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IgorLugansk [536]
3 years ago
14

Why is coal not classified as a mineral?

Chemistry
1 answer:
Fittoniya [83]3 years ago
4 0

A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin. A mineral has one specific chemical composition. Coal is not a mineral because it is organic while a mineral is inorganic that have repeating crystalline structure.

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What happens to the glucose molecule during the process of cellular respiration? (5 points)
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The correct answer is option a, that is, it gets broken down.  

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4 0
3 years ago
What power source uses the earths internal heat
nlexa [21]

Answer:

Geothermal power comes from Earth's internal heat

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The description applied to power sources tends to match the names applied to the source of energy. Sometimes Latin, or other word derivations are used.

For example, "hydro-" refers to water, so it is no surprise that hydroelectric power comes from the movement of water. Of course, "nuclear" refers to the nuclei of the atoms that are split to release energy in a nuclear power plant. Similarly, "geo-" refers to Earth, and "thermal" refers to heat, so "geothermal" energy is the name given to energy derived from Earth's heat.

7 0
3 years ago
The Earth's moon is unusually large. Two popular theories of the moon's origin include the "sister world" hypothesis, which stat
Verizon [17]

Answer: D. They show that neither theory is complete and entirely correct.

Explanation:

Theory is the set of rules and principles that describe and explain a particular phenomenon (the existence of the moon in this case) and is subject to changes as new evidence emerges that gives meaning to it.

In this sense, there are many theories about the Earth's moon formation and two of the "accepted" theories are described before the question. In addition, both theories explain in a certain way the reason why the Moon is predominantly composed of elements similar to those found on Earth.

However, both theories seem to be incomplete when trying to explain our Moon's origin.

8 0
3 years ago
Read 2 more answers
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