Which two gases make up most of the atmosphere?
Understand the Problem
The question is asking for the two primary gases that compose the Earth's atmosphere. It seeks to identify the main components that contribute to the overall makeup of the air we breathe.
Answer
Nitrogen and Oxygen
The final answer is Nitrogen and Oxygen.
Answer for screen readers
The final answer is Nitrogen and Oxygen.
More Information
Nitrogen makes up about 78% of the Earth's atmosphere, while oxygen makes up about 21%. Together, they account for roughly 99% of the atmosphere's volume.
Sources
- What's in the Air? - UCAR Center for Science Education - scied.ucar.edu
- Parts of the Atmosphere - National Geographic Education - education.nationalgeographic.org
- Which two gases make up the majority of Earth's atmosphere? - krayonnz.com
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