Respuesta :
Based On research the answer to this question is
OPTION: B
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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