Atropical cyclone is a weather event that causes strong winds and heavy rainfall. what is the source of energy for a tropical cyclone?

Brian's school locker has a three-digit combination lock that can be set using the numbers 5 to 9 (including 5 and 9), without repeating a number. the probability that the locker code begins with a prime number is %. the probability that the last digit of the locker code is an odd number is %.

Audrey planned to move from iowa to arizona. en route, she was offered a job in colorado, which she accepted. she now lives in denver, colorado, and works for an athletic apparel design company.

In plate tectonics, why is the north american plate tectonically inactive?