Which will probably decrease population density?

are there answer choices? if so then i can't really answer because there's a lot of things that can decrease population density but the answer is probably disease.

Explanation:

disease kills, reduces the population. the answer will be whatever answer choice has a negative effect on the population.

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the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.