Question

gasoline at room temperature does not combust. how can one increase the rate of reaction in order to combust the gasoline? cool the gasoline first. lower the energy of activation by creating a spark. add an enzyme to the reaction. increase the energy of activation by creating a spark. i dont know yet

Explanation:

Combustion of gasoline requires reaching its activation - energy threshold. A spark provides the necessary energy to lower the activation - energy barrier and start the combustion reaction. Cooling gasoline would make it less likely to combust. Enzymes are biological catalysts and not relevant for gasoline combustion. Increasing activation - energy would make combustion less likely.

Answer:

B. Lower the energy of activation by creating a spark.