friction which purifies the air up into the clouds which causes hot springs geysers volcanos ect ect, but when you get farther and farther tempretures drop below 0° so cold! woo! sometimes hypothermia can set in. now hyperthermia results in tempretures below -37° and the earth in summer has to warm to 89° but too hot then it can result in wait for it:heatstroke. |