Answer: Atoms constitute the fundamental units of matter, and are a constituent of each element. In large part, the mass of an atom is determined by its positively charged protons and neutral neutrons.
Explanation:
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The light reactions produce ATP and NADPH thet the Calvin cycle uses to convert CO2 into carbohydrate. The light reactions in the thylakoid membranes of the chloroplast, and the reactions of the Calvin cycle take place in the stroma
Answer C
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Answer: [C]: "five-part radial symmetry" .
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