" air pressure."

As the elevation above sea level increase, the corresponding air pressure decrease. A scatterplot comparing elevations, in feet, to air pressure, as a percent of sea level pressure, is shown balow. Q. Air pressure is sometimes measured in inches of mercury. If sea level air pressure measures as 29.2 inches of mercury, what is the approximate difference, in inches of mercury, between the pressure at sea level and the pressure at the death zone threshold?

As the elevation above sea level increase, the corresponding air pressure decrease. A scatterplot comparing elevations, in feet, to air pressure, as a percent of sea level pressure, is shown balow. Q. Elevations above 8,000 meters are said to be in the "death zone", a range of elevations in which oxygen levels are not high enough to sustain human life. What is the approximate air pressure (as a percent of sea level pressure) at the death zone threshold?( Note: 1 meter=3.28 feet)

Describe an experiment to demonstrate that air exerts pressure.

Show that air has pressure with the help of an experiment.

Does air exerts pressure ?

Answer the following : Fill in the balnks. : In normal state of air, average pressure of air and average distance between air molecules is ………………. Everywhere.

Which of the following statements are incorrect? A) Changes in air temperature have no effect on the speed of sound. B) Changes in air pressure have no effect on the speed of sound. C) Changes in air pressure have effect on the speed of sound. D) The speed of sound in water is lower than in air