Question

which of the following is a cost of using dams as a source of freshwater? a. dams displace existing habitats. b. dams provide water-recreation areas. c. dams help control floodwaters. d. dams provide drinking water.

Explanation:

To determine the cost of using dams for freshwater, we analyze each option:

• Option A: Displacing existing habitats is a negative impact (cost) as it disrupts ecosystems and wildlife homes.
• Option B: Providing water - recreation areas is a benefit, not a cost.
• Option C: Controlling floodwaters is a benefit of dams.
• Option D: Providing drinking water is a benefit of using dams for freshwater.

Answer:

A. Dams displace existing habitats.