Can You Pass This 5th Grade Science Quiz?

What Is The Most Abundant Element In The Earth’s Atmosphere?

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Retry Correct Incorrect The earth’s atmosphere is mostly made up of nitrogen molecules. About 78% of the atmosphere is nitrogen and about 21% of it is oxygen, with small amounts of other gases.
Photo by PASCAL POCHARD-CASABIANCA / AFP
Photo by PASCAL POCHARD-CASABIANCA / AFP

What Is The Most Abundant Element In The Earth’s Atmosphere?

  • Nitrogen
  • Hydrogen
  • Helium
  • Oxygen
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