What's the approximate population of North and South America combined

2. What is the first event that happens to a star with roughly the mass of our Sun that exhausts the hydrogen in its core and stops the generation of energy by the nuclear fusion of hydrogen to helium?

What plates were involved in the marian trench?

Which country is a developing country? A) India B) Monaco C) Europe D) Switzerland

The bowl-shaped depression at the top of a volcano is a A. fissure. B. conduit. C. vent. D. crater.

What are the resources that earth provides for us called?

In order to conquer Mexico, the Spanish

The climate of the United States can be best Described as. A. mostly arid B. mostly tundra C. Mostly Temperature D. Mostly tropical

Who is Nathaniel Greene

Who was one of the founders of the location-sharing site Foursquare? Dennis Crowley Aaron Swartz Josh Williams Scott Raymond Done answer A.

What are dry docks and what happens there? (3)