Assertion A Fossils of plants or animals are preserved in sedimentary rocks Reason R Fossil wat...........

World Geography (Easy) World Physical Aspects

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Assertion (A): Fossils of plants or animals are preserved in sedimentary rocks.

Reason (R): Fossil water or connate water is the water trapped in sedimentary rocks during their deposition

Both A and R are true and R is the correct explanation of A

Both A are R is true and R is not the correct explanation of A

A is true but R is false

A is false but R is true.

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Explanation:

Both A are R is true and R is not the correct explanation of A
Sedimentary rocks are formed by lithification ? consolidation and compaction of sediments. Hence, they are layered or stratified of varying thickness. Example: sandstone, shale etc. Sediments are a result of denudation (weathering and erosion) of all types of rocks. The remains of plants and animals are buried under sediments, and due to heat and pressure from overlying layers, their composition changes. Coal and limestone are well-known examples.