Final answer:
Increasing surface area, adding oxygen, and raising temperature enhance the rate of combustion reactions.
Explanation:
Increasing the surface area of the reactants will increase the rate of reaction during combustion, as smaller particles provide more surface area for interaction. Adding more oxygen to the reaction also enhances the rate of combustion by providing more reactant to participate in the reaction. Increasing the temperature will increase the energy of collisions, leading to a higher reaction rate.
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