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

The atmosphere is divided into layers based on temperature trends as you move away from the Earth surface. 1. Troposphere: The lowest layer, extending up to about 18 kilometers at the equator. It contains most of the atmosphere mass and is where all weather occurs. 2. Stratosphere: Located above the troposphere, extending up to 50 kilometers. It contains the ozone layer which absorbs ultraviolet radiation. 3. Mesosphere: Extending from 50 to 80 kilometers, this is the coldest layer where most meteors burn up upon entry. 4. Ionosphere: This is part of the upper atmosphere, starting around 80 kilometers. It contains ionized particles that reflect radio waves back to Earth. It overlaps with the thermosphere. Therefore, the correct sequence starting from the surface is Troposphere, Stratosphere, Mesosphere, and Ionosphere.