True or false? washington believes the government is a critical element in maintaining american freedom

How do conflict minerals, and in particular, conflict coltan get their name? what groups benefited from the trade in conflict minerals? what group were hurt by it?

The largest city in brazil, sao paulo, has a population of about 11 million. based on the rank-size rule, what is the population of the second-largest city, rio de janeiro, most likely to be? a. 8 – 10 million b. 5 – 6 million c. about 3 million d. about 1 million

Space is not completely empty. there are small particles in space. what happens when these particles come together?