Question

Which would most likely happen if too many nutrients entered an estuary?
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Answer 1

Plants and animals need nutrients, or “food,” such as nitrogen and phosphorus, in order to grow. However, if an estuary has too many nutrients, too much algae will grow, creating algae blooms. These algae blooms block sunlight and can suffocate fish and plant life by using up valuable oxygen from the water.

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Answer 2

Explanation:

Nutrients would be used up by the fish and plants, keeping the estuary in balance. Algal blooms would lower dissolved oxygen levels, causing fish to suffocate. ... Nutrients would sink to the bottom, increasing soil deposition.