How many of the word’s 20 largest cities are located in western europe

How much of the united states’ electric generation comes from coal? a. about 25% b. about 50% c. about 75% d. about 90%

At a continent-continent convergence,

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.