Answer :
The air that is present around us exerts pressure on almost everything. This is called air pressure or atmospheric pressure. The air pressure decreases as we go up in the air. This is why mountaineers face difficulty in breathing and sometimes their nose bleeds because pressure of blood inside the veins becomes more than the air pressure.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
RELATED QUESTIONS :
<span lang="EN-US
NCERT Our Environment<a name="_Hlk4966
NCERT Our Environment<span lang="EN-US
NCERT Our Environment<span lang="EN-US
NCERT Our Environment<span lang="EN-US
NCERT Our Environment<span lang="EN-US
NCERT Our Environment<span lang="EN-US
NCERT Our Environment<span lang="EN-US
NCERT Our EnvironmentGive reasons
<