Se stie ca in regiunea de est a americii de nord este mare frecventa uraganelor si tornadelor. explica doua cauze ce determina acest fapt

There are two main reasons for this. First is that hurricanes in the northern hemisphere form at tropical and subtropical latitudes and then tend to move toward the west-northwest. The second factor is the difference in water temperatures along the U.S.

H=   2(area/a+b)h= 2(144/a+b)h= 2(144/18+18)h= 2(144/36)h= 2(4)h=8