Multiple choice

Thermal energy from the sun and gravity are the engine of the water cycle because...

  1. A part of it evaporates directly or through plants (evaporation)

  2. Part evaporates another part infiltrates, another circulates through runoff

  3. Part of the water is runoff water along streams and rivers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sun provides the energy for evaporation, while gravity drives the movement of water through infiltration and surface runoff. Option B correctly summarizes these pathways.

Keep practicing — related questions