The fossilised marks of raindrops that fell 2.7 billion years ago in South Africa have revealed the composition of the Earth's early atmosphere.
Source: http://www.cosmosmagazine.com/news/5460/fossilised-raindrops-reveal-ancient-earths-atmosphere
Bridget Moynahan Britney Spears Brittany Daniel Brittany Lee Brittany Murphy Brittany Snow Brittny Gastineau Brody Dalle Brooke Burke Brooke Burns
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