The correct answer is A. Bhangar.
Bhangar is a type of old alluvium that is found in the Indo-Gangetic Plain. It is a relatively stable deposit that is composed of silt and clay. Bhangar is often used for agriculture, as it is a fertile soil.
Khadar is a type of new alluvium that is found in the Indo-Gangetic Plain. It is a relatively young deposit that is composed of sand and gravel. Khadar is often used for agriculture, as it is a fertile soil.
Tertiary is a geological period that lasted from about 66 million years ago to about 2.5 million years ago. It is divided into
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