Scientists who study weather patterns and predict weather forecasts are called

What is associated with mid-ocean ridges?

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?

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?