Which is necessary for prevention of soil erosion?
Drainage system
Waste disposal
Pesticides
Fertilization
Deforestation refers to:
Planting of trees
Cultivation of crops
Disappearance of forests
Depletion of forests
Protection of soil from erosion is called:
Comparison
Conservation
Preservation
Prevention
Why is soil important?
Because it provides home for animals
Because we need soil to live
Because of its ability to let plants grow in it
Because animals need soil to grow
Strong winds cause soil:
Erosion
The mineral and organic materials on the surface of the earth is:
Soil
Gravel
Rocks
Humus
What is the process of planting trees in place of trees that are cut down called?
Deforestation
Afforestation
Reforestation
Reinstation
Construction of which of the following along the river banks helps in preventing soil erosion?
Terraces
Embankments
Canals
Wind breakers
Hard, solid parts of the earth are called:
Minerals
Matter
Molecule
What is afforestation?
