What are 3 challenges that
Russia faces with it's varying climate
zones?

Which of these belongs to the united states after the spanish american war ?

What is significant about the power that russian federal cities are granted?

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?