the release of hormones maintain homeostasis when a person's internal body temperature is at 97.5 degrees f
the plant may do this to keep water in and maintain its ability to do photosynthesis.
jet streams are fast flowing, narrow, meandering air currents in the atmospheres of some planets, including earth. on earth, the main jet streams are located near the altitude of the tropopause and are westerly winds (flowing west to east). hope this < 3