Which of the following is an explanation for the similar impact of large-scale commercial agriculture in developed countries and plantation agriculture in developing countries?

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.

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe

All material in the universe that has mass and occupies space is called