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How is Our Atmosphere Different from the Atmospheres on Venus and Mars? - CBSE Class 9 - Science

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Question

How is our atmosphere different from the atmospheres on Venus and Mars?

Solution

Earth’s atmosphere is different from those of Venus and Mars. This difference lies essentially in their compositions. Earth’s atmosphere is a mixture of nitrogen (79%), oxygen (20%), and a small fraction of carbon dioxide, water vapours and other gases. This makes the existence of life possible on Earth. However, the atmospheres on Venus and Mars mainly consist of carbon dioxide. The amount of carbon dioxide on these planets can range from 95% to 97%.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 9 (2018 to Current)
Chapter 14: Natural Resources
Q: 1 | Page no. 193
Solution How is Our Atmosphere Different from the Atmospheres on Venus and Mars? Concept: The Role of the Atmosphere in Climate Control.
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