Life first appeared in our oceans during the Archean eon when the moon was far closer to Earth. The air was too toxic for life on landFrom The Daily Mail:
Life existed in the oceans for hundreds of millions of years while the Earth's air was not fit to breathe, research suggested today.
Plant-like bacteria evolved at least 200 million years before oxygen began to build up in the atmosphere, a study has shown.
During this period in its history, known as the Archaean, the Earth was covered by a poisonous smog of methane, ammonia and other toxic gases.
Read more ....
No comments:
Post a Comment