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ใ€’ 2.1.6 Quiz: Energy and Matter in the Biosphere This chemical equation summarizes what happens during cellular respiration. C_(6)H_(12)O_(6) (Sugar) +O_(2) (Oxygen) rarr Thermal energy +H_(2)O (Water) +CO_(2) (Carbon dioxide) How does the equation best support the idea that, as matter flows between systems, elements are recombined in different ways? A. It shows that sugar and oxygen contain the same types of atoms as water and carbon dioxide. B. Thermal energy appears on the same side as sugar and oxygen. C. The arrow appears between oxygen and thermal energy. D. Each side of the arrow includes two different types of matter.

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Answer

A. It shows that sugar and oxygen contain the same types of atoms as water and carbon dioxide.

Explanation

The given chemical equation represents the process of cellular respiration. In this process, glucose (sugar) and oxygen are converted into thermal energy, water, and carbon dioxide. This equation supports the idea that as matter flows between systems, elements are recombined in different ways because it shows that the same types of atoms (carbon, hydrogen, and oxygen) that make up sugar and oxygen are recombined to form water and carbon dioxide. This is a clear demonstration of how elements are recombined in different ways as matter flows between systems. The position of thermal energy or the arrow in the equation does not provide any information about the recombination of elements. Also, the fact that each side of the arrow includes two different types of matter does not directly support the idea of recombination of elements.