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Answer:
1.Two steps are:
•Establishment of national parks, wildlife sanctuaries and biosphere reserves to protect our natural vegetation and wildlife.
•Putting a ban on killing of lions, tigers, deer, great Indian bustards and peacocks.
2.MANURING: use of manure and fertilizer will give the soil nutrient and make it productive.
MULCHING: it makes soil fertile by covering the top surface of the soil and plant with palm fronds, leavers to prevent air or winds from blowing the soil particles away and thereby adding nutrient to the soil when it decay.
3.In the earth sciences, parent rock, also sometimes substratum, is the original rock from which younger rock or soil is formed. ... Parent rock can be sedimentary, igneous or metamorphic. In the context of metamorphic rocks, the parent rock (or protolith) is the original rock before metamorphism occurred.
4.Soil erosion and depletion are the major threats to soil as a resource. Both human and natural factors can lead to degradation of soils. Factors which lead to soil degradation are deforestation, overgrazing, overuse of chemical feritilisers or pesticides, rain wash, landslides and floods.
5.Shelter belts: In this method of soil conservation trees are planted in a row to check the wind movement so that the soil layer can be protected. This method is useful mainly in the coastal and dry regions.
6.Earth is rightfully called a water-world: far more than half of our planet is covered in water. ... That's because the ocean covers 71 percent of Earth's surface. The ocean is accordingly a major component of the hydrosphere, and it plays an important role in Earth's water cycle.
7.Although in warm periods such as the Mesozoic and Paleogene when there were no glaciers anywhere on the planet all fresh water was found in rivers and streams, today most fresh water exists in the form of ice, snow, groundwater and soil moisture, with only 0.3% in liquid form on the surface.
Explanation:
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