Question

Why is the water cycle called a cycle and not a system?

Answer 1

The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. ... The cycling of water in and out of the atmosphere is a significant aspect of the weather patterns on Earth.

Answer 2

It is called a cycle because it is repetitive, therefore making it a cycle (or almost never ending)