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What kind of soils are formed by wind dust in and around hot deserts?

$\begin{array}{1 1} \text{a)Silty soil} \\ \text{ b)Loamy soil} \\ \text{ c)Sandy soil} \\ \text{ d)loess soil} \end{array}$

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Loess soil are formed by wind dust in and around hot desert.Loess is a type of silt which forms fertile topsoil in some parts of the world. Loess deposits are usually a few meters thick. One of the key characteristics of these deposits is the 'cat steps'. The soil has few clay particles to hold it together.Loess soils are among the most fertile in the world, principally because the abundance of silt particles ensures a good supply of plant-available water, good soil aeration, extensive penetration by plant roots, and easy cultivation and seedbed production.
answered Feb 11 by priyanka.c