At the regional airport in stanley, idaho, elevation 2256 meters above sea level, the observed station pressure is 815 mb.

using the equations presented in the activity, mb must be the station pressure to correctly determine the sea level pressure value in mb.

a. 81.5 mb, added to
b. 81.5 mb, subtracted from
c. 225.6 mb, subtracted from
d. 225.6 mb, added to

correct option is C. 225.6 mb, subtracted from

Explanation:

given data

elevation = 2256 meters

pressure = 815 mb

to find out

determine the sea level pressure value in mb

solution

we know that when we go for high attitude pressure will be low

pressure will decrease as we go more height

so pressure is calculate as

pressure = density × gravity × height

put here value we get pressure

pressure = 225.6 mb

and we know

observed value is =  actual value - drop value

so correct option is C. 225.6 mb, subtracted from the station pressure

From the given problem statement,option A is correct which states Using the equations presented in the activity 81.5 mb must be added to the station pressure to correctly determine the sea level pressure value in mb.

d. they are naturallyoccuring inorganic fuels like coal and petroleum.