B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.
At least 15 seconds or 2 hours. Try it on your microwave if you have the time!
Source/Proof:"Food that is reheated must reach a minimum internal temperature of at least 165 F for 15 seconds. Reheating must be done rapidly and the minimum temperature must be reached within two hours."
The answer is The Taking of any drug in a manner that can cause Psychological or physical dependence
That's when we become an addict. Drug abuse is a serious problem that affect almost every community. Many resulted in death. Often time, the victims of drug abuse have a deep underlying unsatisfaction in some areas of their live and do it to relief the unsatisfaction
Protein
Fat
Minerals
Water
Carbohydrates
Vitamins
The answer is the epiglottis