An (23) _________________ is the large movement of snow down the side of a mountain. They occur when the snow becomes too loose and as it slides down it mixes with air and water to cause a powerful and dangerous disaster A hurricane originally means ‘big wind’. Hurricanes are caused by low air pressure and thunderstorms and (27) _____________________ in strong winds and heavy rain. When they happen in the Atlantic Ocean we call them hurricanes; however, they are called typhoons when they happen in the Pacific Ocean A tornado, casually known as a (29) ____________________, is a large column of wind that spins around very quickly. The power of a Tornado can cause the winds to destroy houses and pick up and throw heavy items. (30) _____________________ eruptions are caused by the plates of the earth moving and the pressure makes magma push up through the cracks in the earth giúp minh với ạ