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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Answer:
Vacuoles are storage sacs used for storing liquid and solid contents.they are small in animal cells and large in plant cells.in plant cells vacuoles are full of cell sap and provide turgidity and rigidity to the cell.in single celled organisms like amoeba,the food vacuole contain the food item that amoeba has consumed.in some unicellular organisms specialised vacuoles also play important role in expelling excess water and some waste from the cell.
Explanation:
Elbows and knees would be the answer