How to prevent soil erosion?

How to prevent soil erosion?

Plant more trees and grass, protect the existing grassland and forest, protect the environment, control the emission of room temperature gas!

What's the difference between water and soil conservation and water conservation?

Of course, there are differences, but the starting point is different. The starting point of soil and water conservation is to prevent soil erosion, form gullies and damage the surface. It is generally in the middle and upper reaches of rivers
And water conservation is to retain water, water retention, in order to prevent desertification

Wutong City, what are their environmental impacts? A. maintains soil and water B. kill bacteria, C., water conservation, D. beautify the environment.

B
The bacteria in the air of the downtown area are more than 7 times the greening area of planting orange, juniper, and French Wutong.