Soil erosion means

Which one of the followingis an example of erosion?

Soil erosion was （ ） by the planting of trees in these areas.

Lotion can not be used for which of the following skin lesions:<br/>____? A: no leaching red spot B: without erosion of water blisters C: nodular papules D: pustules, erosion, exudation

Why is it not feasible to build sea defenses to protect against erosion?

The wrong statement about the ultrasonic manifestations of gout is ( ) A: high sensitivity to synovial crystallization B: tophi stone has high specificity C: high specificity of bone erosion D: low sensitivity to bone erosion

Soil erosion was ____ by the planting of trees in these areas. A: mitigated B: mistaken C: involved D: confirmed

The action of wind and water causes the _____ of rocks and soil. A: erode B: erosion C: erosive D: erodible

When the field surface is covered by gravel, soil erosion caused by rain and strong winds can be effectively prevented.（ ）

The main environmental problems of the world except:() A: Greenhouse effect B: Species extinction C: Ozone layer Depletion D: Soil erosion