Powerful tropical storms that are characterized by wind speeds greater than 120 km/h and storm surges are called a. tornadoes. c. hurricanes. b. thunderstorms. d. hailstorms. powerful tropical storms that are characterized by wind speeds greater than 120 km/h and storm surges are called hurricanes.

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted