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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

Earth's atmosphere contains about ______ percentage of nitrogen and oxygen. - Social Science

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Question

Earth's atmosphere contains about ______ percentage of nitrogen and oxygen.

Options

  • 78% and 21%

  • 22% and 1%

  • 21% and 0.97%

  • 10% and 20%

MCQ
Fill in the Blanks

Solution

Earth's atmosphere contains about 78% and 21% percentage of nitrogen and oxygen.

shaalaa.com
Introduction of Weather and Climate
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Chapter 2.2: Weather and Climate - Evaluation [Page 102]

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Samacheer Kalvi Social Science [English] Class 8 TN Board
Chapter 2.2 Weather and Climate
Evaluation | Q I. 1 | Page 102
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