Question

Which of the following statements is true? Natural energy sources are nonrenewable and being depleted. Current fuels are not polluting the air. Mercury released into aquatic ecosystems comes from rock erosion. The natural cycles of Earth can clear up our current air and water pollution problems.

Answer 1

The first sentence is correct....

Answer 2

Answer: Natural energy sources are non renewable and being depleted.

Explanation:

The natural energy sources like coal, petroleum, and natural gas are non renewable sources of energy which means they cannot be replenished after once used. As their demand is increasing their concentration in the environment decreasing.