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प्रश्न
Explain the role of the Sun in the formation of soil.
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उत्तर
During the day, the light warms the rocks. They compress at different rates during the night, resulting in cracks in rocks and, eventually, smaller particles.
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संबंधित प्रश्न
What are the methods of preventing or reducing soil erosion?
What is soil erosion? Explain means of preventing it.
What is weathering? Elucidate in the various types of weathering.
Define soil erosion. Give its causes, effects and preventive measures.
Top-soil contains the following
How can we prevent the loss of topsoil?
Following are a few organisms
(a) lichen (b) mosses (c) mango tree (d) cactus Which among the above can grow on stones; and also help in the formation of soil? Write the mode of their action for making soil.
Lichens are called pioneer colonisers of bare rock. How can they help in the formation of soil?
Fertile soil has lots of humus. Why?
Why step farming is common in hills?
