Question

Choose the correct statement.

Options

• Sun can be taken as an inexhaustible source of energy.

• There is infinite storage of fossil fuel inside the earth.

• Hydro and wind energy plants are non-polluting.

• Waste from a nuclear power plant can be easily disposed off.

Answer 1

Hydro and wind energy plants are non-polluting.

Explanation:

In the rainy season, wind velocity is higher. So the blades of the windmill move with greater speed.