all the atmospheric phenomena like ran , winds take place in .......layer

as the density of air increases the atmospheric pressure :

the device that used in measuring atmospheric pressure:

the hottest atmospheric layer is :

ionosphere surrounded by two ....belt :

the charged cosmic radiation are dispersed in ..... layer:

the ....is the region between stratosphere and mesosphere :

the rise of temp. in the stratospher due to

the ionosphere has a role in communication because of:

aero planes use ...........to determine the elevation of navigation:

winds move from ................. to .................. pressure

winds move .......in the troposphere layer

the vertical movement of air at earth surface due to

50 % of the mass of atmosphere present in the area between sea level and .......km