What phenomenon results from the runoff of fertilizers from agricultural and residential areas causing the aquatic algae in bodies of water to grow prolifically?

Eutrophication is what the phenomenon called.  Eutrophication This process induces growth of plants and algae and due to the biomass load, may result in oxygen depletion of the water body. It is a choking of rivers, lakes and other waterways by excess algae growth which has been stimulated by fertilizers or sewage.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

human didn't come from monkeys man i hate these stupid teachers