Which of the following statements is correct regarding gases as altitude
increases ?
A. The percentages and total pressure of gases are increased
B. The percentages of gases increase as the total gas pressure decreases
C. The percentages of gases are unchanges, but the total pressure of the gases
decreases.
D. The percentages of gases decrease and the total gas pressure remains the
same.✔✔C
What percentage of the the atmosphere contains Nitrogen?✔✔78%
Gravity is:✔✔The force created by the combined weight of all atmospheric
gases upon the surface of the earth.
Barometric pressure is:✔✔The weight or force exerted by the atmosphere at
any given point.
(Physiologic) Efficient Zone✔✔Sea level to 10,00 feet
(physiologically) Deficient Zone✔✔10,000 to 50.000 feet
Space equivalent zone✔✔50,000 to 250,000 feet
Space✔✔> 250.000 feet