How old is a rock if it contains 6.2% of its original 14carbon?
a. 780,000,000 years
b. 40,300,000 years
c. 21,480 years

What is the approximate area of a circle with a radius of 15 feet

Which principle means that government is bound by the rule of law

Many plains indians who were forced onto reservations had trouble adapting because they a. were not used to living within borders. b. used to hunting for their food. c. not used to living in communities. d. used to working in factories.