The heat to evaporate the water in the sweat comes from the skin and provides a cooling effect. The body then does not overheat. hope it help
Engulfing is what happens during endocytosis, a form of active transport that takes large molecules into the cell. During this process, the molecule is trapped inside a newly-formed vacuole. Hope this helps! :)
C black holes because we wouldn't be here right now if there were