Question

what is a bedrock give its defination?

Answer 1

Bedrock is the hard layer of rock beneath looser rocks and soil. ... For example, you might say that fairness and freedom is the bedrock of a good government. The word combines bed — here meaning "plot of land" — and rock

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Answer 2

In geology, bedrock is the lithified rock that lies under a loose softer material called regolith at the surface of the Earth or other terrestrial planets. The broken and weathered regolith includes soil and subsoil.