Question

Which of the following facts is /are not correct? (i) Methane and Ammonia gases existed before oxygen. (ii) The early life began in Oceans and not on the Earth. (iii) Early life in the form of plant like bacteria existed on the planet during the period known as Archean. (iv) Life did not exist in oceans.​

Answer 1

Explanation:

The early atmosphere was probably mostly carbon dioxide, with little or no oxygen. There were smaller proportions of water vapour, ammonia and methane. As the Earth cooled down, most of the water vapour condensed and formed the oceans.