Geography Ch - 4 Air — Social Studies STD 7 — Question
CBSE BoardEnglish MediumSTD 7Social StudiesGeography Ch - 4 Air1 Mark
Question
What are the main components of Earth's atmosphere?
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Answer
Earth's atmosphere mainly consists of nitrogen (78%), oxygen (21%) and argon (0.93%), carbon dioxide (0.03%), and other gases (0.04%) like helium, ozone and hydrogen.
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