3rd Class Steam Engineer Practice Test

What is eutrophication?

The gradual enrichment of water with nutrients that increases biological productivity The removal of all aquatic vegetation from a lake The conversion of freshwater to saltwater The rapid cooling of surface water during winter

Correct Answer:

The gradual enrichment of water with nutrients that increases biological productivity

Explanation:

Eutrophication is nutrient enrichment, often involving nitrogen and phosphorus, that increases plant and algal productivity and can contribute to low oxygen conditions.

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