The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is

1. The question asks for the correct sequence of the different layers of the atmosphere starting from the Earth's surface upwards. 2. The standard layers of the Earth's atmosphere, defined by temperature profiles, are: a. Troposphere: Lowest layer, where weather occurs (surface up to ~7-20 km). b. Stratosphere: Above the troposphere, contains the ozone layer (~up to 50 km). c. Mesosphere: Above the stratosphere, temperature decreases with height (~up to 85 km). d. Thermosphere: Above the mesosphere, temperature increases significantly. Contains the Ionosphere (ionized layer, important for radio waves, overlapping mesosphere and thermosphere). e. Exosphere: Outermost layer, merging into space. 3. The options use Ionosphere as a distinct layer. While it overlaps, in simplified models it's often placed above the Mesosphere. 4. Following this common simplified structure: Troposphere -> Stratosphere -> Mesosphere -> Ionosphere (representing the lower part of the Thermosphere). 5. This matches option (C).