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.

ur answer is e & d

explanation:

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.