How did the discovery of precious metals affect nevada population

What was the midwest states often called because they were located in the center of the nation

Of the 8 territories that were brought under the flag of the united states by 1853, which one do you think was the most important addition to the growth of the united states?

For 50 points.. some organisms feed on other organisms without immediately killing them. what term describes this act? a. predation b. commensalism c. mutualism d. parasitism