Question

question 4 of 10
which of the following is not a sustainable form of energy production?

a. coal

b. water

c. solar

d. wind

Explanation:

Sustainable energy is renewable and has minimal environmental impact. Coal is a fossil fuel, non - renewable, and its extraction and use harm the environment. Water (hydropower), solar, and wind are renewable and sustainable. So coal is not a sustainable energy production form.

Answer:

A. Coal