1. where are the richer and poorer countries of the world located (gdp) why there?
2. which countries have the longest and shortest life expectancies and why?

Mars has a surface gravity that is only 0.38 (a little over one-third) that of earth's. thus, the weight of an object will also be 0.38 times that of earth. what is the g.p.e. of a climber who weighs 675 newtons on earth at the top of 26,000-meter olympus mons?

Some studies have found that what percentage of students have cheated in some form? a. 10% b. 25% c. 45% d. 75%

Which side did jupiter chose in the trojan war