At any given time, approximately how much pressure is exerted upon you by the air above?

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.

Look at the electroscope, describe how you can cause the two leaves at the bottom to repel each other and stay that way

Water moves to the top of tall trees because of a) capillary action b) surface tension c) capillary action and evaporation d) vapor pressure