The answer is : 74 Mph Or Greater
A tropical storm can turn into hurricane when wind speed goes above 74 miles per hour, which give it enough forces to destroy a hard concretes buildings that it passed by
Answer:
internal migration: moving within a state, country, or continent.
external migration: moving to a different state, country, or continent.
Explanation:
Where, I'm unsure, but when, I think I know. There is a theory that the first asteroid to hit Earth was actually a comet. It wiped out the dinosaurs.
