Answer:
Humans an hunt second-order consumers.
The answer is B .
Biotic factor refers to living things .
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Earth day is celebrated on April 22 every year. it was first celebrated in 1970. it is celebrated to raise awareness for environmental protection and to take care of our planet ( earth ).
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Agricultural chemicals is an example of a nonpit source of freshwater pollution
Answer:
“Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use
Explanation:
