The world’s largest continent is a. antarctica b. north america c. asia d. africa

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

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.

What causes heat transfer in fluids