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Inside Our Earth — Social Studies STD 7 — Question

CBSE BoardEnglish MediumSTD 7Social StudiesInside Our Earth5 Marks
Question
What are sedimentary rocks? Give an example.
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Answer

  1. Sediments formed due to roll down of rocks are transported and deposited by wind, water, etc.
  2. These loose sediments are compressed and hardened to form layers of rocks.
  3. These types of rocks are called sedimentary rocks. For example, sandstone made from grains of sand.
  4. These rocks may even contain fossils of plants, animals and other microorganisms that lived once on them.

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