3 Questions
What is the most abundant gas in Earth's atmosphere?
Nitrogen
What is the ozone layer primarily composed of?
Ozone (O3)
Which layer of the atmosphere is where most weather phenomena occur?
Troposphere
Test your knowledge of the composition and structure of Earth's atmosphere with this quiz. Discover the most abundant gas in the atmosphere, the layer where most weather phenomena occur, and the primary composition of the ozone layer.
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