Question

Why is coal considered to be a nonrenewable energy resource?

A.
Sunlight is the original source of energy for coal
B.
The burning of coal could cause environmental pollution
C.
Once coal is mined, it can take millions of years to be replaced
D. Coal is abundant, but is very expensive to mine from underground

Answer 1

The answer is C I think good luck:)

Answer 2

C.

Coal is made from fossilized remains of ancient plants and animals. When coal is mined/burned it takes millions of years for it to be replaced.