In the standard atmosphere, a pressure of 500 mb occurs at an altitude of 5574 m (18,289 the altitude of the 500-mb level over lincoln at the time of this sounding was the 500-mb level of the standard atmosphere. this relatively warm atmospheric column reflected the conditions that generally exist throughout the troposphere during late summer and early fall in mid-latitudes.

a. higher than

b. the same as

c. lower than

a.higher than

Explanation:

The standard atmosphere is defined as the pressure (in a standard gravitational field) equivalent to 1 atm or 760 mm Hg at 0 ° C or another equivalent value, while the atmospheric pressure is variable and must be obtained from a barometer every time needs to. The standard atmosphere may not be equal to barometric pressure anywhere in the world, except perhaps at sea level on certain days, but it is extremely useful for converting from one pressure measurement system to another.