Explanation:

- The Troposphere is the lowest layer of Earth's atmosphere. It is where most of our weather occurs and starts at Earth's surface, extending up to about 8 to 15 kilometers high. ?? Correct Answer: Option 1, Troposphere

- The Mesosphere is above the stratosphere and extends from about 50 to 85 kilometers above Earth. It's where most meteors burn up upon entering the atmosphere.

- The Thermosphere lies above the mesosphere, extending from about 85 to 600 kilometers. This layer experiences high temperatures.

- The Exosphere is the outermost layer, beginning at about 600 kilometers above Earth. It's where the atmosphere fades into space.