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Class 12BiologyEnvironmental IssuesGreenhouse Effect and Global Warming
Easy

The major factor in causing global warming is

  • A
    Increase in oxygen concentration in atmosphere
  • B
    Decrease in carbon dioxide concentration in atmosphere
  • C
    Increase in carbon dioxide concentration in atmosphere
  • D
    Decrease in atmospheric nitrogen
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Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Greenhouse Effect and Global Warming

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