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Understanding Our Planet Through Chemistry - Comments

Understanding Our Planet Through Chemistry - a guide to how chemists and geologists use analytical chemistry to: determine the age of the Earth; show an extraterrestrial body collided with the Earth; predict volcanic eruptions; observe atmospheric change over millions of years; and document damage by acid rain and pollution of the Earth's surface

Stormy   22-September-11 - 12:02:06
More posts of this quality. Not the usual c***, pelase

Giggles   25-September-11 - 00:59:21
Fell out of bed feienlg down. This has brightened my day!

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