Answer: C
Explanation: It isn't impossible to pollute and it is a usable water source AKA wells
Movement is the main function of muscular tissue. They have the ability to contract and this is what brings about the movement of body parts. They also help to maintain body posture and position.
<span>The amount of goods and services produced by an economy divided by the amount of resources used to make those goods and services, measures economic D. productivity.</span>
The answer is the function of living things are composed of cells