is energy A heat B water C Air

It _____ a lot of energy to heat water. Solar energy,▁time has come ,is very suitable to heat water ( )There is _______on the moon.A.not air or water B.no air o A fuel is a substance used to generate light ,heat or energy During which phase change is heat energy absorbed by a subst we can't live ------water -----air.a.with,and b.without,or c man will die without air or water a.will b.shall c.should d. The air ( ) fresh .A:is B:are C:am ( )is nice and clean?A、The air today B、The today air C、The a _____ is nice and clean.A.The air of today B.Today air C.The The light is a _____ of energy.A.way B.line C.form D.road Energy is measured______calories.A.of B.at C.for D.in