1.1. Well-developed soils are found only in low latitudes because the rivers which come down from the mountains carry the sand and silt along with them, thus providing with well-developed soil.2. The other reason is that the temperature and moisture in the lower latitudes arefavourable for the chemical reactions regarding soil formation.

2.REGUR SOIL -

the regur soil is also called the black cotton soil as cotton is the main crop grown in this type of soil.

the name regur is derived from the tamil word reguda which means cotton.

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FORMATION -

black soil is formed by the disintegration and decomposition of the igneous rocks.

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CHARACTERISTICS -

1)It is an in-situ soil.2)it is clayey in composition and becomes sticky when wet3) when it is dry it cracks and becomes well-aerated. this is known as the self ploughing capacity of black soil.

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MINERALS PRESENT -

1)lime2)iron3)magnesium4)calcium5)aluminum6)phosphorus.

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CROPS -

1)cotton2)sugarcane3)rice4)wheat

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AREAS IN WHICH IT IS FOUND.-

1)Maharastra 2)Andra Pradesh

it is mainly found in the Deccan Plateau region.

3.Multipurpose rivervalleyprojectare basically designed for the development of irrigation for agriculture and electricity through the construction of dams. Initially, dams were built only for storing rain water to prevent flooding but now it becamemultipurpose.

Thank you Bhaiya