Definiion of exponential growth? pls

I hate World Geography o(TヘTo)

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine

Why do you think market-oriented agriculture is more productive than subsistence agriculture?