How is humidity related to air pressure? a.. humid air has higher pressure because of the heaviness of water.. b.. humid air is lighter, so it has lower pressure. c.. air pressure is lower below sea level because of the humidity. d.. humidity and air pressure are not related..

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.