What causes tornadoes? 
Electrical energy scattered light hypothyroidism Time and energy harmful substances Cold fronts. Tropical heat energy
A B C D E F G H
Thunderstorms Thunderstorms give birth to tornadoes.
Cold fronts cause tornadoes 
What causes tornadoes?  (A) Electrical energy (B) scattered light (C) hypothyroidism (D) Time and energy (E) harmful substances (F) Cold fronts. (G) Tropical (H) heat energy