NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
What is the major component of atmosphere of Earth and Mars/Venus?
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The major component of atmosphere of Earth is nitrogen (78.08%) while that of Mars and Venus is carbon dioxide (95-97%).