Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon atoms are different from hydrogen atoms. Carbon and hydrogen chemically combine to form methane (CH4). Based on this information, A. methane is an element and carbon and hydrogen are compounds. B. carbon, hydrogen, and methane are all elements. C. carbon and hydrogen are elements and methane is a compound. D. carbon, hydrogen, and methane are all compounds.
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the answer is c option
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I think 3rd one is the correct one
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