Eutrophication occurs due to the increased concentration of natural nutrients. Conversely, artificial eutrophication happens due to human activities.
<h3>Eutrophication and artificial eutrophication</h3>
Eutrophication is a biological phenomenon that occurs due to the increased concentration of natural nutrients such as algae in a water body.
Artificial eutrophication is a specific type of eutrophication process caused by human activities.
Artificial eutrophication can be caused, for example, for an excessive overload of fertilizers in a lake.
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It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
Fossil fuels and green house gases which burn holes in the ozone layer of the atmosphere causing global warming