How many years does an El Nino happen?

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.

What is an additional type of erosion found at the coast? what does it mean?

Advantages and disadvantages of mitigation and adaptation