Which is a form of external energy? a. geothermal energy
b. gravitational potential energy
c. chemical energy
d. insolation
e. all of these

I think its geothermal or chemical energy but im not sure.

Best Answer - Chosen by Voters

Geothermal for sure! 67% 2 Votes

Other Answers (1)

• First answer the question %26quot;External to what?%26quot; Then find out if the word %26quot;insolation%26quot; means isolation or insulation. 0% 0 Votes