Explain why sedimentary rock layers of the North and South Rim(side) of the Grand Canyon are the same age, using Steno’s Principle of Lateral Continuity

Exactly what kind of weather conditions would a cold front produce?

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

Which countries were controlled by france at the beginning of world war i? hint: use the map in the lesson to you answer this question. algeria burma cambodia indonesia vietnam