The correct answer is A. B. C. D. and E. All the options are correct.
When rainfall occurs onto the earth, rain water starts moving due to force of gravitation. A part of rain water goes into the ground and replenishes Earth's groundwater. Most of the rain water moves downward as runoff. Runoff is extremely important and the amount of runoff depends on land use, the amount vegetation on the land, amount of nutrients in the soil.
