What are some of the things that astronomers are looking for to identify distant planets?

What conclusión can be drawn about the middle east

Compare demographic and environmental effects of the columbian

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.