What does a reaction not depend on?
A.
molecular orientation
B.
numbers of collisions
C.
numbers of reactants
D.
activation energy

molecular orientation.

Explanation:

All the others are necessary for a reaction to take place

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?