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

_________________ is located above the mesopause.

Name the lowermost layer of the atmosphere.

Water vapour content _____________ from the equater towards the poles.

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

Name the gas which is largely responsible for the green house effect.

Name the layer of atmosphere above the tropopause.

The density of atmosphere ________________ with increasing altitude.

Atmospheric layer important for human beings is :

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