Pressure in the ears and eyes is usually caused by a sinus infection. A sinus infection is an infection of the nasal cavities that causes headaches, pressure and cold like symptoms.
At the bottom. You can think of the air pressure at a given location as being the weight of all the air in a column above it. Thus, the higher you go, the less air there is above you, and thus the lower the air pressure. In the extreme, when you rise out of the athmosphere, there is no air above you at all, and the air pressure is effectively zero - a vacuum. Air pressure is greater at the bottom of a mountain.
The water pressure in the hadal zone, which is the deepest part of the ocean, can reach extreme levels of over 1,000 times atmospheric pressure at the surface. This is due to the weight of the water column above.
Air pressure is caused by the weight of the atmosphere above an object. When one goes higher, there is less air above and so the pressure drops.
Vapor pressure
expiration
high blood pressure
For the same reason. The liquid above the location considered, or the atmosphere above the position considered, helps contribute to the pressure; if there is more liquid or atmosphere above, there is more pressure.
abosulute pressure includes the atmospheric pressure while gage pressure gives the pressure above atmospheric pressure
Hyper means above and tension means pressure so, hypertension means above pressure
Uranus is made up almost entirely of atmosphere. It is a gas planet. It does not even have a solid surface. The core thought to be made of an ocean of liquid water and ammonia that is under an extreme amount of pressure from the gases above.
above the wing moving faster above the wing causes a lower air pressure relative to below the wing. high pressure moves to low pressure causing lift.
mercury manometer