The correct answer would be C. A tornado is dangerous mostly because of its strong winds. A tornado is a violently rotating air that in in contact with the surface of the Earth and the clouds. They are also called cyclones or twisters.
You are going to have to explain you question a different way I do not understand
A type of nuclear disaster is a nuclear meltdown, which happens when a core of the nuclear reactor has a damage from overheating. Other causes include: radiation contamination and fire.
