The primary reason solar energy is not in wider use is that

(1 point)
Responses

harnessing solar power can be expensive.
harnessing solar power can be expensive.

people prefer to use nuclear energy instead.
people prefer to use nuclear energy instead.

wind power does less harm to the environment.
wind power does less harm to the environment.

solar power is less efficient than other forms of energy.
solar power is less efficient than other forms of energy.

people have not yet figured out how to harness it effectively.