What are the components and layers of the atmosphere, and what are their characteristics?
Understand the Problem
The question appears to be about the composition and structure of the Earth's atmosphere, specifically focusing on the different layers and their characteristics, such as temperature variations and the presence of various gases.
Answer
Five layers: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. Main gases: nitrogen, oxygen, argon, carbon dioxide.
The atmosphere has five main layers: Troposphere (0-16 km, weather occurs here), Stratosphere (16-45 km, contains ozone layer), Mesosphere (45-85 km, coldest layer), Thermosphere (85-600 km, auroras occur), and Exosphere (600+ km, merges into space). Main components are nitrogen, oxygen, argon, and carbon dioxide.
Answer for screen readers
The atmosphere has five main layers: Troposphere (0-16 km, weather occurs here), Stratosphere (16-45 km, contains ozone layer), Mesosphere (45-85 km, coldest layer), Thermosphere (85-600 km, auroras occur), and Exosphere (600+ km, merges into space). Main components are nitrogen, oxygen, argon, and carbon dioxide.
More Information
The layers are defined based on temperature changes with altitude, and each has unique characteristics. The Exosphere extends into space, while the Troposphere is where all life and weather occur.
Tips
A common mistake is confusing the order of layers. Remember that temperature generally decreases with altitude, except in the stratosphere and thermosphere where it increases.
Sources
- Layers of the Atmosphere - NOAA - noaa.gov
- Structure of Earth's Atmosphere - UCAR - scied.ucar.edu
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