Question

hardest layer of soil which is difficult to dig

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Answer 1

The roots of small plants are embedded entirely in the topsoil. The next layer has a lesser amount of humus but more of minerals. This layer is generally harder and more compact and is called the B-horizon or the middle layer. this layer is the bedrock, which is hard and difficult to dig with a spade.

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Answer 2

Answer:

bed rock

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