Question

1. __________ is the top most layer of the Earth. 2. Soil is formed from rocks by a process called __________. 3. A vertical section of soil from ground surface to parent rock is called __________. 4. Presence of __________ makes the soil fertile. 5. __________ soil is best suited to grow paddy. 6. The __________ layer of Earth is rich in humus. 7. __________ commonly called the friend of farmers. 8. Clayey and loamy soils have __________ water retaining capacity. 9. Tree and other plants firmly bind the __________ particles. 10. In the absence of trees and plants, soil becomes __________. 11. Percolation rate of water in soil is expressed in the unit of __________. 12. Humus is formed by __________ of organic matter. 13. Ground water is formed in __________ layer of earth. 14. __________ soil is used in construction of buildings. 15. Cotton is grown in __________ soil. 16. Deforestation __________ the particles in the soil and leads to soil erosion. 17. Excessive use of insecticides and pesticides can cause __________.

Answer 1

Answer:

1. Exosphere

15. aluvilial

12.natural

17.नुकसान