Depending on what water source you use, if your using faucet water your food will be clean but not totally.
If your using a lake, ocean, bodies of water your food will not be as clean, water from bodies of water are full of bacteria, and other contaminants.That being said, using a faucet is your best bet or even try to clarify water from bodies can help.
Exhaustion stage, when your body cannot keep <span>the demands and stress placed on you. Your physical and emotional resources are depleted too.</span>
C. it monitors calorie intake as a way to maintain a balance of energy
Yes it can. There is a lot of teens suffering from the deaths of family.