Which gas forms 21% of Earth's atmosphere?

a.-argon

b.-carbon dioxide

c.-nitrogen

d.-oxygen

How long does it take to walk from alameda to the California state capital building?

What is the highest mountain in North America?

E-mail, texting, and social media have largely replaced

What is the most populous city in latin america? how many people reside within the city limits? how many people reside in the city's greater metropolitan area?

5. What's the radius of a circle with an area of 123 square feet? A. 3.14 ft. B. 26.32 ft. C. 6.26 ft. D. 39.17 ft.

The rate of soil depends on what?

What is a symbol a. A specific icon used to indicate a feature such as rocks b. A specific icon used to indicate a feature such as letters c. A table defining the colors letters and keys such as rocks d.

A materials demonstrating low to heat conduction would be categorized under which property catagory? Electrical Thermal Optical Magnetic Mechanical

What is other name given to el nino

N 1991, what prompted a huge uprising in the Balkans causing ethnic squabbles and general tension?