Answer:
The correct answer option is D. Troposphere.
Explanation:
There are four main types of atmospheric layers on the Earth: troposphere, stratosphere, mesosphere, thermosphere.
The lowest atmospheric layer of the Earth is called Troposphere. It is the layer where all the weather conditions take place and it extends from the surface of the Earth to almost 12 km upwards. We all live in this layer and it has all the air that we breathe in.
