Farming methods spreading from Asia to Europe is an example of
what?​

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.