Which has three times as many O atoms than N atoms?

The Answer is B because if we just look at the moles of nitrogen and oxygen they are in the ratio of 1:2. Since there are 3 moles with it, Even if we when we multiply this ratio by 3 the answer will be 3:6  and 6 is the double of 3 so B is the answer

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so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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