They can make you feel stressed and or sad.
All of those ARE reasons why communicable diseases kill fewer people today except for B. Your answer is B.
those who are curious about their emerging self-concepts are more likely to engage in exploratory behavior to acquire the information they need.
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.