Describe one erosion feature and one deposition feature you might expect to find (a) in a valley, (b) in a desert, and (c) high in the mountains.

Ithink a hope that

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.

Ithink the answer  is d. tourism.hope this ☺☺

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