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Can I get help and please say the answer A, B, C or D

Can I get help and please say the answer A, B, C or D-example-1

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Answer: By mass, about 96 percent of our bodies are made of four key elements: oxygen (65 percent), carbon (18.5 percent), hydrogen (9.5 percent) and nitrogen (3.3 percent). These elements do not give color to fireworks, but they are found in our body’s most abundant and important molecules, including water, proteins and DNA. The answer is B.

Explanation: I hope this helps. I got it from search.

Can I get help and please say the answer A, B, C or D-example-1
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