Question

which type of energy is constantly replenished and sustainable?
a. chemical energy
b. renewable energy
c. nuclear energy
d. fossil fuels

Explanation:

Renewable energy sources like solar, wind, hydro - power are constantly replenished by natural processes and are sustainable in the long - term. Chemical energy in batteries or fuels can be depleted. Nuclear energy relies on finite uranium or thorium resources in the short - to medium - term. Fossil fuels such as coal, oil, and gas are non - renewable and will eventually run out.

Answer:

B. Renewable Energy