Which of the following statements provides the best analysis of what happens to freshwater lakes that are polluted by nitrates and phosphates?
A. Nitrates and phosphates are lethal to fish populations.
B. Nitrates and phosphates promote algae bloom, increasing bacteria in the water, which use
oxygen needed by marine life.
C. Nitrates and phosphates increase the acidity of the water, promoting the growth of some fish
populations and the decrease of others.
D. Nitrates and phosphates have no effect on the fish population, but they limit plant growth by
filtering the light they require to thrive.