One harmful effect that this type of pollution The most likely source of thermal pollution in a river ecosystem would be
has is to
killing fish and other native animals.

A)
an automotive junkyard, fill the water with oil and gasoline.
B)
a hydroelectric power plant, lower oxygen levels in the water.
a large farm, poison the water with fertilizers and pesticides.
D)
a nuclear power plant, place radioactive materials in the water.