Toxic chemicals are mostly found in waste sites where they dump old chemicals and with that, that could cause health problems because they could either dump it into the oceans where the life is or they will burn it causing pollution.
Hope this helped :)<span />
Answer:
He probably made this mistake because muscle weighs more than fat. Therefore, while he is "over weight" it is not an unhealthy form of overweight.
The answer is yes it can be donated.
and im not sure about the second one
Most likey because she's trying to change everything about herself she's trying to be somebody's she's not. You don't have mutiple choice so sorry if I'm incorrect.