Prior to the ratification of the seventeenth amendment, how were senators selected

Ineed a summary over the 6th amendment

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?

Which major change took place in nigeria in 1999?