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3. To produce their own food, algae and plants use the abiotic factors sunlight, carbon dioxide, and 1 point

a. soil.
b. salt.
c. water.
d. bacteria.

User Danyo
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2 Answers

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Th answer is water.....
User Harwee
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water, photosynthesis needs sunlight, carbon dioxide and water to make oxygen and glucose
User Sachadso
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