Verified Answer :

Based On research the answer to this question is

OPTION: B

The correct option is B. Ecosystems are in danger from all of the following except decreased eutrophication.

What are the effects of eutrophication?

Excessive plant growth, damaging algae blooms, a rise in the frequency of anoxic occurrences, and fish fatalities are all effects of eutrophication.

Thus, Except for decreasing eutrophication, all of the following poses a threat to ecosystems. Eutrophication is one of the principal sources of harm in many freshwaters and coastal marine environments around the world.

Learn more about Eutrophication here:

https://brainly.com/question/13232104

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