Which term describes the area of bedrock from which soil forms? a horizon parent rock b horizon mineral deposit

Answer

A

Explanation

The parent rock is the soil horizon that contains big unweathered rocks. As the rocks weather, they form the soil horizon above (from the substratum, subsoil) until the topsoil is fine and deep enough to support plant vegetation.

A.  horizon parent rock

Explanation:

Soil horizon is one the most distinctive features of the soil profile.The Soil profile consist of different layers known as horizons . The major layers of the soil is the top soil, the subsoil and the parent rock(Bedrock).

The parent rock is the bed rock which lies just below the subsoil. It has very limited amount of organic matter . it  mostly comprises of rocks and stones . Generally, this layer is very hard .  The bed rock area is also known as horizon C.

This area marks the region where the soil is form. The rock in this area are weathered to form the soil .So, this parent rocks determines the characteristics of the soil in that region.

b. to discover aspects of the natural world.

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