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Explain the role of the Sun in the formation of soil.
The process of formation of soil from rocky earth’s crust is termed as . Over long periods of time, the rocks at or near the surface of the earth are broken down by various physical, chemical and biological processes to form fine soil particles.
changes caused by solar radiation are one of the most important elements influencing the formation of soil from rocks. The rocks heat up and expand under the effect of . At night, these cool down and contract. Since not all areas of the rocks expand and contract at the same time, cracks appear, and the enormous rocks eventually break up into smaller pieces.
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