Question 3 • 26-27 - C - RUSD Biology in the Living Earth
Methane (CH₄) and butane (C₄H₁₀) are both compounds made from carbon and hydrogen. Methane has 1 carbon atom and 4 hydrogen atoms, while butane has 4 carbon atoms and 10 hydrogen atoms. Therefore, they contain the same two elements but different numbers of atoms, as choice D states.
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