Question

Which event causes the most soil erosion? *

Rainwater forming a puddle
Rainwater changing to water vapor
Rainwater running off a slope
Rainwater soaking into the ground

Answer 1

I believe the answer here would be either rainwater soaking into the ground or rainwater running of a slope)

Answer 2

The answer would be the 4th option. (Rainwater soaking into the ground). Soil erosion is commonly caused by rainwater soaking into the ground.