Soil

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1. Soil erosion can be prevented by maintaining structure of soil.

2. Soil is derived from the Latin word

3. The pore spaces formed between the mineral particles of soil are filled with and

4. The rotting dead matter in the soil is called

5. The roots of plants on into the crevices of rocks, break them and help the formation of soil.

6. The components of soil comprise organic wastes, dead animals, plants and their decomposed products.

7. Sufficient space for the movement of air in it is an important feature of soil.

8. Soil erosion can be prevented by control and reclamation of and adopting .

9. The components of soil comprise minerals, which are derived from the and of rocks.

10. Upper portion of soil always contains