Question

Fossil fuels are commonly used as a source of energy because _____.

fossil fuels are most readily available.
fossil fuels are a renewable resource.
fossil fuels are best for the environment.
fossil fuels are cost-effective.

Answer 1

Answer:Fossil fuels are most readily available and fossil fuels are cost-effective.

Explanation:i got this right on my class have a great day!!!=D

Answer 2

fossil fuels are cost-effective.