Using no less than four complete sentences, identify three major mountain ranges found throughout Eastern Europe, the Caucasus, and Russia. Describe their locations as well as one characteristic of each.

Why did john browns raid impact the national issue of slavery?

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington