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An ecosystem is all the populations of organisms that live together and

Athe microorganisms that depend on them.
Bthe organisms that generate energy from sunlight.
Cthe physical factors with which they interact.
Dthe food that they take in as energy.

Verified Answer :

Plants use light energy to make sugars from carbon dioxide ... They make their own food thru the processof photosynthesis using light energy to ... In photosynthesis carbon dioxide from the air and water from the soil react with the sun's energy to ... tiny subcellular structures contained in the cells of leaves andgreen stems.

Answer:

C. the physical factors with which they interact.

Explanation:

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