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According to one of the most widely accepted theories, earth's atmosphere before origin of life consists of a mixture of ______. -

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Question

According to one of the most widely accepted theories, earth's atmosphere before origin of life consists of a mixture of ______.

Options

  • O3, CH4, O2 and H2O

  • O3, NH3, CH4 and H2O

  • H2, CO2, NH3 and CH4

  • CH4, NH3, H2 and H2O vapours

MCQ
Fill in the Blanks

Solution

According to one of the most widely accepted theories, earth's atmosphere before origin of life consists of a mixture of CH4, NH3, H2 and H2O vapours.

Explanation:

The earth's extremely high temperatures (800°C), volcanic storms, decreasing atmosphere with CH4, NH3, H2 and H2O water vapours, etc. were the conditions that encouraged chemical development.

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