Oxygen content material elevated when Earth was coated in ice

In the start, planet Earth was a really inhospitable place with no oxygen and solely single-celled micro organism as inhabitants. According to a brand new research, the oxygen content material within the air started to extend about P.A billion years in the past, concurrently the worldwide glaciation and when all continents have been gathered in a single big landmass, or supercontinent. How to elucidate the precise connection between these occasions, nevertheless, is a query that baffles the researchers.
Geology News — ScienceDaily