Question

what number represents percolation?

Explanation:

Step1: Recall percolation definition

Percolation in the water cycle is water moving down into the soil/groundwater.

Step2: Analyze diagram labels

• 1: Ocean evaporation.
• 2: Transpiration (water vapor from plants).
• 3: Condensation (clouds).
• 4: Precipitation (rain).
• 5: Surface runoff (water flowing over land).
• 6: Water moving into groundwater (percolation).

Answer:

6