Question

guided practice
which is one advantage of using the energy of moving water to produce electricity?
a. it has few related costs.

b. it is available in all areas.

c. it benefits related ecosystems.

d. it is nonpolluting.

Explanation:

• Option A is incorrect: Hydropower has high upfront costs for dams and infrastructure.
• Option B is incorrect: Hydropower requires access to moving water (rivers, streams), so it is not available in all areas.
• Option C is incorrect: Hydropower can disrupt ecosystems by altering river habitats, blocking fish migration, and changing water flow.
• Option D is correct: Unlike fossil fuels, hydropower generation does not release greenhouse gases or pollutants during operation, making it nonpolluting.

Answer:

D. It is nonpolluting.