Felix told his dad that Earth's different spheres contributed to different stages in the water cycle. He showed his dad that water travels through all the spheres. Felix also showed him that the total amount of water on Earth has stayed the same. Why has the total amount of water in the water cycle remained constant?

A. More water vapor condenses to keep the cycle in balance.
B. More precipitation falls than can evaporate and condense.
C. The rate of precipitation and evaporation are in balance.
D. The rate of evaporation competes with the balance of precipitation.