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प्रश्न
How can we prevent the loss of topsoil?
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उत्तर
Loss of topsoil can be avoided by:
- increasing vegetation cover.
- reducing tree fall.
- preventing animal overgrazing.
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संबंधित प्रश्न
How is soil formed?
How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource?
What is soil erosion? Explain means of preventing it.
What is soil? How does it form?
Give various sources and harmful effects of soil pollution.
Which of the following is not a greenhouse gas?
Soil erosion can be prevented by
Following are a few organisms
(a) lichen (b) mosses (c) mango tree (d) cactus Which among the above can grow on stones; and also help in the formation of soil? Write the mode of their action for making soil.
Explain the role of the Sun in the formation of soil.
Carbon dioxide is necessary for plants. Why do we consider it a pollutant?
