How do you answer this?

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.

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra