SOIL EROSION

What is soil erosion?

• The formation of soil

• The removal of the topsoil layer

• The addition of nutrients to soil

• The mixing of different soil types

Which of the following is a natural cause of soil erosion?

• Urbanization

• Agriculture

• Wind

• Construction

The process of soil erosion primarily affects the __________ layer of soil.

__________ plowing is a method where farmers plow along the contours of the land to reduce water runoff and soil erosion.

__________ is building walls made from rocks or stones or cement that can prevent soil erosion on steep slopes by slowing down water flow.

__________ farming involves creating stepped levels like stairs on a hillside to reduce soil erosion by water.

Give 4 agents of soil erosion.