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Answer in your own words.(a) Explain with the help of a diagram how soil is formed.(b) Why is there a shortage of water even though it occupies about 71% of the earth’s surface?(c) What are the various constituents of air? Write their uses.(d) Why are air, water and land considered to be valuable natural resources? |
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Answer» Answer in your own words. (a) Explain with the help of a diagram how soil is formed. (b) Why is there a shortage of water even though it occupies about 71% of the earth’s surface? (c) What are the various constituents of air? Write their uses. (d) Why are air, water and land considered to be valuable natural resources? |
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