Which of these terms represents a layer of the atmosphere defined by function rather than temperature?

Name: Which of these terms represents a layer of the atmosphere defined by function rather than temperature?
Brand: Quizplus
Rating: 4.8 (48 reviews)

Question

Which of these terms represents a layer of the atmosphere defined by function rather than temperature? ​

Quizplus · Accepted Answer

The ionosphere is defined by its function, which is the absorption and reflection of solar radiation, facilitating radio communications. Unlike the other layers listed, which are primarily categorized by temperature gradients, the ionosphere is characterized by its ionized particles.

Which of These Terms Represents a Layer of the Atmosphere