What are the primary drivers of the hydrologic cycle? 

A)  mechanical and chemical energy 
B)  solar energy and mechanical energy 
C)  solar energy and gravity 
D)  solar energy and the moon

Hydrologic Cycle

The continuous movement of water on, above, and below the surface of the Earth, involving processes such as evaporation, condensation, precipitation, and infiltration.

Primary Drivers

The main factors or forces that cause a particular outcome or condition.

Solar Energy

Power obtained by harnessing the energy of the sun's rays, considered a clean and renewable source of energy.