Which gas forms 21% of Earth's atmosphere?

a.-argon

b.-carbon dioxide

c.-nitrogen

d.-oxygen

What continent is Libya located in?

Where Napoleon Buenaparte born

What type of map would you use to find your way around a large city? A. Thematic B. Topographic C. Planimetric

What is the carbon 'turnover time' or 'residence time' for:The atmosphereThe deep oceansShow your work and explain what each one means in more laymen's terms. Don't forget units.

How topography does affect climate?

Who was st. petersberg named after

What type of environment would produce fertile soil at a fast rate

Which of the following is a way that humans can prevent erosion?

What is the removal of fish from an area faster than the rate at which they can replace themselves called

what African government had no choice but to systematically eliminate most of the laws that had institutionalized decades of racism against black south africans