Why was the refrigerated railway car such an important invention? a. it change prices for pedestrian passengers b. it change the way americans traveled. c. it changed how farmers grew their produce. d. it change the american diet

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?