I think what ur answer is is a tropical cyclone. hope this helps.
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Hello! Are you sure you meant 400 cm long? or mi?
The answer is probably hurricanes bc the mixture of hot air and cold air together turns it into a big hurricane/tornado.. depending on how strong the wind is
Our planet, Earth appears blue due to the mass amounts of water and lacks on its surface.
the answer here is Abyssal Pains