Available choices:
a). they body they live in
b). solid, liquid, gas
c). heating liquids
d). protect them
e). electrical energy
f). objects that have mass
g). biodiversity
h). an object

Fact 1: When an animal moves , chemical energy is converted to mechanical energy. Fact 2: Mechanical energy can be changed to electrical energy. Given the two facts above, what can an animal's movement be changed to?
Answer:
e).