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Dioxygen present in the atmosphere is be...

Dioxygen present in the atmosphere is believed to be produced by

A

photosynthesis

B

irradiation

C

thermolysis

D

electroysis

Text Solution

Verified by Experts

The correct Answer is:
1
it was the process of photosynthesis that started to convert the `CO_(2)` components of Earth's early atmosphere to dioxyen `(O_(2))` about `2.5xx10^(9)` years ago, its present oxygen-rich state was attained about `5xx10^(8)` years ago.
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Knowledge Check

  • Nitrogen present in atmosphere is

    A
    `78%`
    B
    `10%`
    C
    `3%`
    D
    `0%`

  • The higest quantity present in the atmosphere is of

    A
    Oxygen
    B
    Hydrogen
    C
    Nitrogen
    D
    Ozone

  • The inert gas present in atmosphere are

    A
    He and Ne
    B
    He, Ne and Ar
    C
    He, Ne ,Ar and KR
    D
    He, Ne, Ar, Kr and Xe

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