Soil

  
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1. Percolation rate is highest in the soil and least in soil

2. Percolation rate = /

3. soil is used to make pots, toys and statues.

4. For growing cotton, or are more suitable.

5. and pollute soil.

6. The space between soil particles, called , provide for the or of gases and moisture within the soil.

7. and should be treated before they are released into the soil.

8. For growing paddy, soil rich in and are ideal.

9. For lentils and other pulses, soil are good,

10. If the proportion of fine particles is relatively higher, then it is called soil.