Name of zone separating the troposphere from the stratosphere ?

Thickness of the troposphere is greatest at the __________________

Name the layer of atmosphere above the stratopause.

Which one of the following gases constitutes the major portion of the atmosphere ?

Which one of the following gases is transparent to incoming solar radiation and opaque to outgoing terrestrial radiation ?

Atmospheric layer important for human beings is :

_________________  layer acts as a filter and absorbs the ultra violet rays radiating from the sun

Burning of fossil fuel increases the volume of______________ in the atmosphere.

_________________ is located above the mesopause.

The density of atmosphere ________________ with increasing altitude.