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A fertile agricultural soil appears deep coloured at the surface as compared to soil one metre down. The reason for colour of top soil isA. More moistureB. Rich in organic matterC. Rich in iron, calcium and magnesiumD. Recent formation |
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Answer» Correct Answer - B (B) A fertile agricultural soil appears deep coloured at the surface as compared to soil one metre down. The reason for colour of top soil is rich in organic matter. |
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