GENERAL KNOWLEDGE

Detailed explanation-1: -Answer. Answer: (D) The movement of soil by wind or water.

Detailed explanation-2: -Erosion is a geological process in which earthen materials (i.e., soil, rocks, sediments) are worn away and transported over time by natural forces such as water or wind; sometimes this is sped up by poor management or other human impacts on land.

Detailed explanation-3: -Soil erosion is caused by both natural and anthropogenic factors that affect all landforms. Plant and residue cover protects the soil from raindrop impact and splash, tends to slow down the movement of runoff water, and allows excess surface water to infiltrate.