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.

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Solution

Soil has different layers that vary in their characteristics.

Upper soil layers are loose, and easy to dig.

As the man started digging beyond 5 feet, he reached the layer called bedrock. So, due to the presence of rocks, digging became difficult.

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