What gas forms 21% of earth's atmosphere A. Argon

B. Carbon dioxide

C. Nitrogen

D. oxygen

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

Unlike other andean nations, chile has a relatively small population of mestizos people of european descent indians people of asian descent

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule