Well, pollution has to do with littering in the water? If so, I'm thinking that it would have to do with activities such as swimming, diving, and possibly ice hockey? Not so positive on the hockey part though?
The pollution of the water would create chemicals that would spread throughout the water and if someone went into the water, it could effect their lungs since you are breathing it.
It's basically like when you forget to put the top on your hot tub and you get algae.
General Systems Theory is based on the assumption that there are universal principles of organization, which hold for all systems, be they physical, chemical, biological, mental or social. The mechanistic world view seeks universality by reducing everything to its material constituents.
It is B if you learn the circulatory system or learning to become a doctor the answer is B
The answer is strong refusal skills. A teen who has been properly raised would know the difference between right and wrong and has a sense of directions to what he or she wants to do with his or her life. They have the decision to put themselves in that position. No amount of peer pressure would force a strong youth to take drugs when he or she is capable of taking charge of his or her life.