Question

4.Tidal energy can be harnessed to generate​

Answer 1

Explanation:

Difference in sea-levels due to tides during different times of day gives us tidal energy. Tidal energy is harnessed by constructing a dam across a narrow opening to the sea. A turbine fixed at the opening of the dam converts tidal energy to electricity.

Answer 2

Tidal energy can be harnessed to generate ELECTRICITY.