False. Hypothermia is caused by the body being exposed to cold weather or immersion to cold water. I hope this answer is what you were looking for.
The amount of water vapor in the air is calledrelative humidity
Endocytosis and exocytosis are similar in that they are both forms of cell transport. They differ because in endocytosis, a cell transports molecules into a cell (think: endo - in), and in exocytosis, the cell's molecules are transported by being expelled.