The columbia plateau in washington and oregon is a. a caldera filled with rhyolite lava flow. b. a thick stack of welded-tuff layers c. a flood basalt plateaud. a field of large stratovolcanoes

According to the united nations refugee agency, more than 2/3 of the world's refugees come from just five countries. which country is not on that list? a) turkey b) myanmar c) afghanistan d) south sudan

Because north america is in a it has a variety of biomes and climates. a. high latitude zone c. middle latitude zone b. middle longitude zone d. high longitude zone select the best answer from the choices provided a b c d

What type of coastline is commonly found along the western side of the america’s