1- With an increase of 5.6 km elevation from the Earth\'s surface, atmospheric p
ID: 117869 • Letter: 1
Question
1- With an increase of 5.6 km elevation from the Earth's surface, atmospheric pressure ____________.
a. decreases by half
b. increases to 2026.4 mb
c. decreases by 20 percent
d. stays the same
2- The __________ marks the northern most migration of the sun's vertical rays.
3- In the northern hemisphere, the wind circulation in a cyclone circulates ________.
4- The imaginary circle drawn around Earth 23.5 degrees from the North Pole is called:
clockwise
counterclockwise
a.clockwise
b.counterclockwise
Explanation / Answer
1) a. decreases by half
With an increase of 5.6 km elevation from the Earth's surface, atmospheric pressure decreases by half because at 5.6 km half of the mass of the atmosphere will be above and half of the mass of the atmosphere will be below.
The atmospheric mass decreases at 50 % rate / 5.6 km as the height increases.
Atmospheric pressure is proportional to mass of the atmopshere above it.When the mass decreases by 50 % at 5.6 km height , the atmospheric pressure also decreases by 50 % (decreases by half)
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