I think that the question asks about the time of the War in Bosnia and other parts of Yugoslavia in the first part of the 90s. The Serbian soldiers that committed mass murder of Bosnian population, mostly men, referred to this as "ethnic cleansing" which sounded better than "genocide"
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Answer:
Other living organisms.
Explanation:
When plankton and algae overgrow, they choke out living organisms such as fish, coral, etc,
