E. Answer the following questions in detail. 1. List and explain the factors that decide the formation of soil at a particular place. 2. What are the practices that are used to control soil degradation? Explain them briefly 3. List out and briefly explain the various ways in which water is used in the present times. 4. What are the factors that have led to scarcity of water? 5. Highlight the steps that are being taken by the different countries of the world to conserve water and its quality.
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Answer:
1. Ans: Soils form from the interplay of five main factors namely Parent Material, Time, Climate, Relief, and Organisms. 2. Ans: Soil conservation practices are tools the farmer can use to prevent soil degradation and build organic matter. These practices include: crop rotation, reduced tillage, mulching, cover cropping and cross-slope farming 3. Ans: Some categories of water use, such as thermoelectric, industrial, and mining, use saline water, mainly for cooling generators in thermoelectric power plants. Industries and mines use saline water to cool machinery and to wash and transport products, mainly for cooling of machinery. 4. Ans: Overusing and Overpopulation. Of course, a resource becomes scarce whenever we abuse it and consume way too much of it. ...
Pollution. Pollution is among the main causes of water scarcity. ...
Conflicts. Those war-affected areas often face difficulties in getting to freshwater resources. ...
Droughts. This isn’t too common among the causes of water scarcity, but it can often strike certain areas of the world.
Distance. Some people are just unlucky enough to live too far away from water. ... 5. ANS: Steps that must be taken to conserve water are as follows: 1. Proper Distribution System of Water 2. Rational Use of Underground Water 3. Purification of Waste Water 4. Control over Deforestation 5. Protection of Water from Pollution! Water is an indispensable component of our ecosystem and the essence of our life.
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