Question

Select more than one. 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

The answer is fossil fuels are most readily available.

Also fossil fuels are cost - effective.

HOPE THIS HELPS!!!!

Answer 2

Readily Available and Cost Effective