Which best explains the rise of river valley civilizations?

Which best explains the rise of the first river valley civilizations? Climate changes suddenly made hunting more plentiful. The introduction of farming led to a surplus of crops in flood plains with fertile soil.

Explanation: if you need an explanationSMH!

A river valley civilization is an agricultural nation that dwells beside and draws it's sustenance from a river.

Explanation:

(Hope this helps)

its c

answer; the above statement is (false);