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What is the primary source of energy in a food chain?

oxygen
sun
carbon dioxide
water

Sagot :

The Sun is the primary food source of energy in a food chain.
RoseCrystal01idn

Answer:

The sun is the primary source of energy in a food chain.

Explanation:

By having sun light shining directly onto plants, it causes the plants to produce chemical energy that is able to sustain all their cellular functions.

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