If there was no $CO_2$ in the earth's atmosphere,the temperature of earth's surface would be

  • A
    As such
  • B
    Less than the present level
  • C
    Increase from present level
  • D
    Dependent upon oxygen amount of the environment

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Which of the following is capable of causing the greenhouse effect in the environment?

The current average temperature of the Earth is $...i...$. If the greenhouse effect were absent,the temperature of the Earth would have been $...ii...$.

Greenhouse effect is primarily due to the presence of:

What are the greenhouse effect and global warming?

If there is no greenhouse effect,the average temperature at the surface of the Earth would have been: (in $^{\circ} C$)

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