The Amount of Depletion of a Coal Mine in a Year

question 159

Multiple Choice

The amount of depletion of a coal mine in a year may differ from the depletion expense in the same year because

• A)depletion expense includes other costs in addition to depletion.
• B)depletion is based on the passage of time,whereas depletion expense is not.
• C)the mine is not in operation all year.
• D)some coal is unsold at the end of the year.

---

Definitions:

Solar Energy

The radiant energy emitted by the sun, which can be converted into other forms of energy such as heat or electricity.

Chlorophyll

A green pigment responsible for the absorption of light to provide energy for photosynthesis, found in the chloroplasts of green plants and some bacteria.

Heterotrophs

Organisms that obtain their energy by consuming other living or deceased organisms, unable to synthesize their own food.