Fossil fuels are considered a nonrenewable resource because they
A B C D
have turned into solid rock. take a long period of time to form. are expensive to remove from rock. are located deep within the Earth's crust.
Question: Fossil fuels are considered a nonrenewable resource because they
(A) have turned into solid rock.
(B) take a long period of time to form.
(C) are expensive to remove from rock.
(D) are located deep within the Earth's crust.

Answer: (B) take a long period of time to form.
Answer: (D) are located deep within the Earth's crust.
Question: Fossil fuels are considered a nonrenewable resource because they
(A) have turned into solid rock.
(B) take a long period of time to form.
(C) are expensive to remove from rock.
(D) are located deep within the Earth's crust.
Answer: (B) take a long period of time to form.