of the following parameters, choose the characteristic(s) that is/are common to both hurricanes and tornadoes: a. lowest pressure in the center of the storm at the surface b. are mostly commonly rated by a system that is divided into five separate categories c. are rated by their measured wind speeds (as measured directly by instrument) d. always form over land e. are on the microscale of atmospheric motion f. typically exhibit counterclockwise rotation in the northern hemisphere