A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of 5 feet. Provide a suitable scientific explanation.

AcademicChemistryNCERTClass 7

The soil surface has loose topsoil which is easier to dig. At deeper layers, partially weathered rocks or bedrocks are present which are hard and make digging difficult.
raja
Updated on 10-Oct-2022 13:21:52

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