The study of what is beyond earth’s atmosphere is called

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.

Are divergent boundaries responsible for tsunamis?

Which phrase describes the time it takes for a planet to make a complete rotation