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For a rotating column of air connected to a storm cloud to be considered a tornado,
For a rotating column of air
connected to a storm cloud to be
considered a tornado, it must do
which of the following?
A. reach speeds of at least 300 kilometers per
hour
B. last for over 15 minutes
C. make contact with the ground
D. occur during the day
Show Answers
It’s B. because it’s obvious that it last over 15 mins