Eutrophication refers to

1. the concentration of a toxic substance in
the tissues of organisms.
2. depletion of mineral resources as a result
of leaching.
3. the warming of the earth’s surface.
4. the damage to the ozone layer that protects the earth from UV light.
5. nutrient enrichment of an ecosystem that
is naturally low in nutrients.

1 answer

Since this is not my area of expertise, I searched Google under the key words "Eutrophication" to get these possible sources:

http://www.google.com/search?client=safari&rls=en&q=Eutrophication&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
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