Variations in air pressure are shown as _______ on surface weather maps.
A. geostrophic
B. barograph
C. topographical
D. isobars
my naswer is d.
Yep.
I guess but an isobar is a line along which the pressure is constant.
Therefore the variation in pressure is high when the isobar lines are close to each other (expect wind)
You are correct! Variations in air pressure are shown as isobars on surface weather maps.
To understand why the correct answer is D, let me explain what isobars are and how they are used on surface weather maps:
Isobars are lines connecting points of equal atmospheric pressure. They are commonly drawn as curved or straight lines on weather maps to depict areas of high and low pressure systems. The spacing between isobars indicates the strength of the pressure gradient, which affects the wind speed and direction.
By examining isobars on a surface weather map, meteorologists can analyze the pressure patterns and identify important features such as high-pressure systems (anticyclones) and low-pressure systems (depressions or cyclones). These pressure systems help forecasters predict weather conditions, such as the movement of storms, the intensity of winds, and the likelihood of precipitation.
So, in this case, the correct answer is D, isobars, as they represent variations in air pressure on surface weather maps.