Tornadoes form when warm, humid air collides with cold, dry air. ... The updraft will begin to rotate if winds vary sharply in speed or direction. As the rotating updraft, called a mesocycle, draws in more warm air from the moving thunderstorm, its rotation speed increases
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It is this one: China's one-child policy has had an impact on families since it was instituted in 1970 to control population growth.
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Education is a means of achieving a world of peace, justice, freedom, and equality for all. Thus, education is extremely necessary for all. No good life is possible without education. It indorses the intelligence of human beings, develops his skill, and enables him to be industrious.
