The columbia plateau exposes dark rock that spans the states of washington, oregon, and idaho. what made this vast plateau?
layers of sedimentary rock that deposited, like the grand canyon
layers of continuous basaltic lava flow that cooled and hardened
layers of metamorphic rock that eroded and extruded from deep in the earth's crust
layers of batholith that eroded and became exposed

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

The queen anne highboy is a familiar furniture style

Pls pls pls choose a city in ecuador, peru, or bolivia. look up all the information you can find about it. then write about the city of your choice in a report of 150 words. after you have finished your writing assignment, review it and correct any errors you find in punctuation, grammar, spelling, and the way you write your sentences. can you choose words with more exact meanings or more vivid descriptions?