Droughts are periods of time with abnormally low precipitation. So what causes a drought to occur? Well, precipitation forms when air rises. When there is abnormally high air pressure the air doesn't rise causing a drought.
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Droughts are periods of time with abnormally low precipitation. So what causes a drought to occur? Well, precipitation forms when air rises. When there is abnormally high air pressure the air doesn't rise causing a drought.
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