Compare and contrast three aspects of growth in Eastern cities and Western cities in the United States.

they use tree rings to figure out weather patters.

what photo

hope it .

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker