What Happens During the Maturation of Coal

question 55

Multiple Choice

What happens during the maturation of coal?

• A) impurities are driven off
• B) the coal is buried and squeezed to a smaller volume
• C) the energy content of the coal increases
• D) methane is driven off
• E) all of these

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Definitions:

Budget Line

An illustrated chart detailing every possible pair of two items that could be acquired given a certain financial limit at fixed prices.

Price of A

Represents the amount of money required to purchase a specific item or service A.

Price of B

The cost or value assigned to good or service B in the market.