Water quality can be negatively effected by what? 
flooding Pesticides erosion contamination competition Pollution sulfur dioxide deforestation
A B C D E F G H
Sulfur dioxide causes acid rain.
Sulfur dioxide in precipitation has negative impact on water quality
Water quality can be negatively effected by what?  (A) flooding (B) Pesticides (C) erosion (D) contamination (E) competition (F) Pollution (G) sulfur dioxide (H) deforestation