Evolution of the Earth's Atmosphere
How where ...
2 years ago
Experienced GCSE Science and A level Chemistry tutor with Phd
At the beginning, the temperature on Earth was very high and it is thought that the 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.
I'm available for 1:1 private online tuition!Click here to view my profile and arrange a free introduction.
Think you can help?