You are presented with the quiz "Which of the following has the worst effect on water quality?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "acid rain has a negative impact on water quality" and "cars and trucks emit tremendous amounts of airborne pollutants, which increase acid rain". So, what's the best answer to the question?
OPT: A). bacteria. B). Pesticides. C). fossil fuels. D). deforestation. E). cars and trucks. F). humans disturb it. G). flooding. H). Destroy bridges.
E).