Which of the following countries is often described as two countries; a progressive north dominated by a post-industrial economy and a stagnant, economically depressed south? a. france b. greece c. italy d. spain

The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?