Which energy source mainly powers the water cycle?
- Pull of the Moon
- Winds of the tropics
- Heat of the Earth's core
- Heat from the Sun
Show answer and solution
Correct answer: D. Heat from the Sun
1. The Sun heats water in oceans, lakes and rivers.
2. This heat drives evaporation, which starts the cycle.
3. Wind, the core and the Moon do not power the cycle itself.
_Source: Wikipedia, Water cycle, Overall process_