0
Q
Troposphere
A
All weather and living organisms, 75% of atmospheric gasses
1
Q
Name the 4 layers if the atmosphere.
A
Thermosphere, Mesosphere, Stratosphere, Troposphere
2
Q
Stratosphere
A
Ozone, absorbs uv rays
3
Q
Mesosphere
A
3rd layer
4
Q
Thermosphere
A
Contains ionosphere.
5
Q
Atmospheric pressure is created from what?
A
The weight of gasses extending from an object to the top of the atmosphere.
6
Q
Barometric Pressure
A
Pressure exerted by the atmosphere
7
Q
Barometric pressure at sea level
A
760 mm/Hg
8
Q
Dalton’s Law of Partial Pressure
A
The total pressure in a system is equal to the sum of the partial pressures present in a gas.
P1+p2+p3=Ptotal
9
Q
Percentage if nitrogen in air
A
78%
10
Q
Percentage of oxygen in air
A
21%
11
Q
Trace gases in air
A
1%
Respiratory Therapy
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