Quema de calorías que son parte de la energía interna de un cuerpo
Answer:
Mixture
Explanation:
Mixtures are a physical combination of two or more substances. They can be separated based only by physical means.
There are 9 H atoms in one molecule, so hydrogen is present in the greatest proportion by number of particles;
The ratio by particles is C:H:O:N = 8:9:2:1.
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