Hernan cortez did which of the following? a. he established spanish presence in the americas. b. he created gold fever in europe. c. he defeated the mighty aztecs. d. he did all of the above.

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?