The answer to your questions is D.
The answer is no. The Caucasus Mountain does not separate European Russia from Asian Russia. It was the Ural Mountains that separates the European Russia from Asian Russia. Ural Mountains is a mountain range that stretches approximately from northwestern Kazakhstan through the western part of Russia.
Flood waters can be channeled to provide irrigation is true about the development of farming in Summer. The correct option among all the options that are given in the question is the last option or option "D". Without adequate amount of water, it is not possible to farm in the summer months.
Quaternary period<span>, Cenozoic </span>era<span>, and Phanerozoic </span>eon<span>.</span>
