3. How does oxidation cause weathering in rocks?
4. Describe biological weathering.
5. Explain the different layers in a

Question

3. How does oxidation cause weathering in rocks?
4. Describe biological weathering.
5. Explain the different layers in a soil profile.​

Verity 1 year 2021-08-30T20:51:54+00:00 0

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    2021-08-30T20:53:15+00:00

    Explanation:

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    Ans 3:- Chemical weathering is the process by which rocks are broken down by chemical reactions. … Oxidation is the reaction of a substance with oxygen. This is the process that causes rust. When iron in rocks reacts with oxygen, it forms iron oxide, which weakens the rock.

    Ans 4:- Biological weathering is weathering caused by plants and animals. Plants and animals release acid forming chemicals that cause weathering and also contribute to the breaking down of rocks and landforms. Chemical weathering is weathering caused by breaking down of rocks and landforms.

    Ans 5:- The soil is found in layers, which are arranged during the formation of soil. These layers called horizons, the sequence of layers is the soil profile. … The main layers of the soil are topsoil, subsoil and the parent rock. Each layer has its own characteristics.

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