Dear Student,
a. The study of atmospheric pressure is important to us as it is an important component of changing weather and climatic conditions.
b. Since atmospheric pressure varies on Earth , and is the cause of various phenomenon like Jet streams, tropical cyclones, it is important to study the rate of atmospheric pressure.
c. Further, atmospheric pressure also drops with an increase in altitude, thus impacting human body.
d. Thus, because of the dramatic impact it has on the weather conditions. it is important to study it.
Regards