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Rocks and Minerals — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYRocks and Minerals2 Marks
Question
Give reasons.
Sedimentary rocks are formed in layers.
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Answer

The sediments or particles settle at the bottom of lakes, seas, oceans and rivers layer by layer and over a period of time, under pressure, transform into sedimentary rock. Hence, the layers of sediments are formed during the formation of these rocks, and these rocks contain layers.

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