Answer:
The Sun
Explanation:
1. The sun provides energy which drives the water cycle on Earth. (Credit: NASA.)
2. Although solar energy is the main energy source for the water cycle, many other kinds of energy are involved as water cycles among solid, liquid and vapor states. Water falling from the sky as rain has kinetic energy (motion-related energy), for example.
3. https://sciencing.com/water-enter-earths-atmosphere-5166455.html
hope it's correct
