Acid rain has a negative impact on water quality.
Cars and trucks emit tremendous amounts of airborne pollutants, which increase acid rain.
Cars and trucks have a negative impact on water quality.
Which of the following has the worst effect on water quality?
Options:
A: bacteria
B: Pesticides
C: fossil fuels
D: deforestation
E: cars and trucks
F: humans disturb it
G: flooding
H: Destroy bridges