What can an earth scientist study to find out what happened in earth’s past/history? question 2 options: rock texture rock layers magma rock composition

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.

Which of the following statements is most likely a characteristic of an authoritarian government in africa

Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering