We would call this scientific research
<span>Eutrophication or more precisely hypertrophication, is the enrichment of a water body with nutrients, usually with an excess amount of nutrients. This process induces growth of plants and algae and due to the biomass .... Although eutrophication is commonly caused by human activities, it can also be a natural process, ...</span><span>
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Answer:
It would be an ecosystem. The ecosystem is a biotic community in which living organisms such as plants and animals interact with the non-living components of the environment such as sunlight, water, soil, rocks, etc.
Hope this helped
Answer:
I think d . brain must be the ans