Question

Tidal power is harnessed by _____.

building a dam across the mouth of a bay

tapping into underground steam reservoirs

bombarding uranium nuclei with neutrons

building a dam across a swiftly flowing river

Answer 1

building a dam across the mouth of a bay hope this helps.

Answer 2

Tidal power is harnessed by "building a dam across the mouth of a bay."

The tide causes water levels to rise. The water passes through the dam and becomes trapped in that area. The dam releases water as the tide falls, sending the water through turbines and creating energy.