Which gas makes up 78 percent of Earth's atmosphere?

oxygen

nitrogen

hydrogen

carbon dioxide

inert gases

Why the tenth amendment reserves some rights and powers to the states?

Naoko has just moved to the united states and is taking a class to improve her english skills. what organizational communication barrier is she trying to overcome? a. differing frames of reference b. long lines of communication c. ego involvement d.

Which body of water lies north of charlemange's empire? A north sea B Atlantic ocean C Mediterranean sea

Who told King Ptolemy that "There is no royal way to learn geometry"? a. Euclid c. Aristotle b. Pythagoras d. Poseidon

What amendment officially abolished slavery

Which sources could be used to operate the car? How could each source be used?

According to aristotle's classifications of government ruled by a few whose interests are served by the public is

Any uncontrolled variable that changes systematically with the independent variable is:

How many delegates does each candidate have

An agency located outside a cabinet department is called a (n) A. isolated agency. B. non-governmental agency. C. independent agency. D. uncontrollable agency.