The correct answer would be option A, Layer A is the thermosphere and Layer B is the exosphere.
Dan Described two layers of Earth's Atmosphere. Layer A is the thermosphere and Layer B is the exosphere.
Explanation:
There are five main layers in the atmosphere. These are as follows:
- Troposphere
- Stratosphere
- Mesosphere
- Thermosphere
- Exosphere
Thermosphere is the layer in the atmosphere which allows long distance radio communication, and Exosphere is the layer in the atmosphere which separates the outer space from the Earth's atmosphere.
Learn more about Layers of Atmosphere at:
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