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Question
Complete the order- Topsoil, Subsoil, Weathered rock material, ___________
Complete the order- Topsoil, Subsoil, Weathered rock material, ___________
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Solution
The correct option is D Parent rock
The bottommost layer of soil is called parent rock. It is also called as Bedrock, from which soil is formed. The layer above the parent rock is called weathered rock material.
The bottommost layer of soil is called parent rock. It is also called as Bedrock, from which soil is formed. The layer above the parent rock is called weathered rock material.
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