Question

Alternative energy sources like solar and wind power _______.
a.
are always available
b.
are only replenished with human intervention
c.
are renewable
d.
are more versatile than fossil fuels

Answer 1

c. are renewable

Explanation: Solar and wind energy come from natural, continuously replenished sources (the sun and atmospheric winds). They are not always available (sunlight and wind vary) and do not require human intervention to be replenished; their versatility compared with fossil fuels depends on application.