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Q) Write in brief about the most common rocks found on the earth surface.
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→ Sedimentary rocks are the most common rocks exposed on the Earth’s surface but are only a minor constituent of the entire crust, which is dominated by igneous and metamorphic rocks.
Sedimentary rocks are produced by the weathering of preexisting rocks and the subsequent transportation and deposition of the weathering products. Weathering refers to the various processes of physical disintegration and chemical decomposition that occur when rocks at the Earth’s surface are exposed to the atmosphere (mainly in the form of rainfall) and the hydrosphere.
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