Choose the correct option which represents the arrangement of Atmospheric layers.

 a) Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
 b) Troposphere, Stratosphere, Mesosphere Ionosphere, Exosphere
 c) Mesosphere, Ionosphere, Exosphere, Troposphere, Stratosphere
 d) Exosphere, Troposphere, Ionosphere, Mesosphere, Stratosphere

SSC CGL-15

Troposphere, Stratosphere, Mesosphere Ionosphere, Exosphere.