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Biology, 03.02.2020 23:52 Mbach2291

Elements 1 and 3 are used to make the most common substance in the body. what are these elements?

a. nitrogren & phosphorus
b. oxygen & hydrogen
c. hydrogen & helium
d. oxygen & sulfur

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Elements 1 and 3 are used to make the most common substance in the body. what are these elements?

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