Match the words with the definitions. Drought A. a sudden release of energy in the earth's crust or upper mantle Flood B. is a violent tropical storm in which the air goes round and round Hurricane C. is a long period of time during which no rain falls Avalanche D. is an extremely violent wind or storm Earthquake E. a large amount of water covers an area which is usually dry Cyclone that falls down the side of a mountain drought A flood hurricane avalanche D earthquake cyclone