The _ energy of a substance is the total kinetic and potential energies of its atoms and/or molecules. (I did not mean to click on nuclear)

Mechanical

Explanation:

this is because mechanical energy is potential and kinetic energy combined both working making mechanical energy so D.mechanical

answerto predict;

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101