Can anyone help me with answering a series of science questions including Lithosphere (Rocks), hydrology (water), climate/weather, and biosphere I have a final exams tomorrow and really want to get a good grade anyone mind helping me out?

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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.