Which natural resource is mort important to the economy of western europe today a coal b gold c iron ore d oil

The country in the world with the largest population is_?

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

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?