[Solved] Tornadoes a. produce an intense high-pressure zone beneath them. b. have maximum wind speeds of 100 km per hour. c.

Tornadoes a. produce an intense high-pressure zone beneath them. b. have maximum wind speeds of 100 km per hour. c. may be only 5 m across, or up to 1,500 m across. d. are rated on the Saffir-Simpson scale, which runs from 1 to 5.