The smell of hot food moves faster than the smell of cold food. Which property of gas is responsible for this?
A. The kinetic energy of gas particles is higher in hot food than in cold food.
B. The kinetic energy of gas particles is lower in hot food than than in cold food.
C. The volume of gas molecules is higher in hot food than in cold food.
D. The pressure exerted by gas molecules is higher in hot food than in cold food.
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