Which of the following statements is not true regarding atmospheric pressure?
a. you calculate absolute pressure by adding atmospheric pressure to gage pressure.
b. when atmospheric pressure is higher than the absolute pressure of a gas in a container, a partial vacuum exists in the container
c. mercury and aneroid barometers are used to measure atmospheric pressure.
d. atmospheric pressure increases with increasing altitude

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?