346689 Following are the two statements regarding the origin of life :
i. The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
ii. The first autotrophic organisms were the chemoautotroph's has never released oxygen. Of the above statements which one of the following options is correct?

346690 How long did the earth exist before life appeared on it?

346691 Statement A :
Theory of chemical evolution proposed that life came from pre-existing non-living organic molecules.
Statement B :
Primitive earth conditions led to the production of organic molecules.

346692 Water vapour, \(\mathrm{CH}_{4}, \mathrm{CO}_{2}, \mathrm{NH}_{3}\) were released from

346689 Following are the two statements regarding the origin of life :
i. The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
ii. The first autotrophic organisms were the chemoautotroph's has never released oxygen. Of the above statements which one of the following options is correct?

346690 How long did the earth exist before life appeared on it?

346691 Statement A :
Theory of chemical evolution proposed that life came from pre-existing non-living organic molecules.
Statement B :
Primitive earth conditions led to the production of organic molecules.

346692 Water vapour, \(\mathrm{CH}_{4}, \mathrm{CO}_{2}, \mathrm{NH}_{3}\) were released from

346689 Following are the two statements regarding the origin of life :
i. The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
ii. The first autotrophic organisms were the chemoautotroph's has never released oxygen. Of the above statements which one of the following options is correct?

346690 How long did the earth exist before life appeared on it?

346691 Statement A :
Theory of chemical evolution proposed that life came from pre-existing non-living organic molecules.
Statement B :
Primitive earth conditions led to the production of organic molecules.

346692 Water vapour, \(\mathrm{CH}_{4}, \mathrm{CO}_{2}, \mathrm{NH}_{3}\) were released from

346689 Following are the two statements regarding the origin of life :
i. The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
ii. The first autotrophic organisms were the chemoautotroph's has never released oxygen. Of the above statements which one of the following options is correct?

346690 How long did the earth exist before life appeared on it?

346691 Statement A :
Theory of chemical evolution proposed that life came from pre-existing non-living organic molecules.
Statement B :
Primitive earth conditions led to the production of organic molecules.

346692 Water vapour, \(\mathrm{CH}_{4}, \mathrm{CO}_{2}, \mathrm{NH}_{3}\) were released from