Natrual variations i think
The energy that lost isn't really lost. The amount of energy is constant throughout the universe; in other words the amount of energy in the universe will remain constant but energy can be transfer from one source to another.
Answer:
oil
Explanation:
Since oil is a type of fats but in our body we call it lipid
Answer: the buried pipes has water distribute through underground.
Explanation:
Umderground