The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is:
Ans. (c)
Explanation
The correct sequence is Tropo - Strata - Meso - Iono spheres.
Troposphere extends upto 8-18 km, after that, Stratosphere upto 50 km, after that Mesosphere extends upto 80 km and beyond that, upto 400 km Ionosphere exists.