Which of the following is true about air pressure acting on an object?
AThe amount pushing down on the object will gradually decrease with time
BThe amount pushing up on the object will gradually increase with time
CThere is more air pressure pushing up on the object than there is pushing down
DThere is just as much air pressure pushing up as there is pushing down on the object
AThe amount pushing down on the object will gradually decrease with time
BThe amount pushing up on the object will gradually increase with time
CThere is more air pressure pushing up on the object than there is pushing down
DThere is just as much air pressure pushing up as there is pushing down on the object