Question 9
agricultural runoff is polluting the chang jiang in china. what effect does the flo...
Social Studies, 28.01.2020 00:31 johnwatson12
Question 9
agricultural runoff is polluting the chang jiang in china. what effect does the flow of large amounts of fertilizer and sewage have on the river?
a
it encourages germs to grow in the river, causing people and animals that drink the river water to become sick.
b
it causes large plants to grow thickly along the shore of the river, preventing animals and people from accessing the river.
c
it settles on the river bottom in thick, sludgy layers, making the river too shallow for commercial and recreational boats to navigate.
d
it causes algae and plants to grow and cover the surface of the water, blocking sunlight and killing plants and animals that live underneath.
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