Question

why are fossil fuels considered nonrenewable resources?
a. because they are made from hydrocarbons
b. because they take millions of years to recreate
c. because they are harmful to the environment
d. because they are organic material

Explanation:

Non - renewable resources are those that cannot be replenished quickly. Fossil fuels form over millions of years from the remains of ancient organisms, so they cannot be easily or quickly replaced once used up.

Answer:

B. Because they take millions of years to recreate