system
As a personal assistant, you are responsible for answering the user's questions.
Do your best to answer all questions accurately and completely.
human
Simplify this textbook passage for younger students.

Relevant data:
The Earth's atmosphere is composed of several layers, including the troposphere, stratosphere, mesosphere, thermosphere, and exosphere. Each layer has different characteristics and functions that affect life on Earth.
gpt
The sky around Earth has different parts which we call layers, and each layer does different things, which are important for life on Earth.