Every ten years
Tornado in the U.S. most frequently occur on the Great Plains.
It comes, literally, from assembling all of a ship's crew (all hands) at their mustering point on the ship's deck. This would occur typically in a battle situation. The idiom suggests that all personnel are needed, as for a major undertaking or project.
Georgia...
in the north
Tornadoes tend to occur during late spring to early summer in the United States.
10years
Actually it doesn't. Typically, a lunar eclipse happens about twice a year.
A range of 1-2 hurricanes typically occur in June.
The number of Representatives is set by law, presently at 435. The apportionment of the Representatives among the states is determined by a census which takes place every ten years, as required by Article I, Section II of the U. S. Constitution. The next census will take place in April 2010.
Ovulation typically occurs once a month, about halfway through the menstrual cycle, when an egg is released from the ovary. Menstruation occurs in a monthly cycle, approximately every 21-35 days, where the uterine lining is shed if pregnancy does not occur.
every 4 years
El Niño events typically occur every 2 to 7 years, but the interval can vary. La Niña, its counterpart, tends to occur more frequently than El Niño. The exact timing and intensity of El Niño events can be difficult to predict.
yes the summer Olympics do occur every four years !!! i hope i helped
the summer Olympics occur every 4 years
No every 4 years.
in texas i think.
About one in every one thousand people have narcolepsy.