Energy, kinetic, potential
A. One that can be produced as fast as it’s used
Answer:A
Explanation:becuse they waste less heat energy
C. low boiling points, since convalent bonds are comprise of two non metal elements, the have relatively low boiling points, since most of them are gases.
If the prefix mega is added to the unit of the quantity being described, the magnitude of quantity increases by 10^{6} times i.e. 1 million times.
For Example- 1 MW = 1000000 watts