Which of the following soils is dominated by clays that as they swell and contract mix the soil from within?

Question

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Vertisols are dominated by clays that have high shrink-swell capacity, which makes them mix the soil from within as they expand and contract with moisture changes. This creates cracks and fissures in the soil, which can trap water and nutrients to benefit plant growth. The other soil types listed do not exhibit this characteristic.

Which of the Following Soils Is Dominated by Clays That