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xkcd : Earth Temperature Timeline
(imgs.xkcd.com)
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What is geoscience?
Geoscience (also called Earth Science) is the study of Earth. Geoscience includes so much more than rocks and volcanoes, it studies the processes that form and shape Earth's surface, the natural resources we use, and how water and ecosystems are interconnected. Geoscience uses tools and techniques from other science fields as well, such as chemistry, physics, biology, and math! Read more...
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Climate
What are you smoking? The graph goes back 14,000 years beyond what the young earth folks accept. And it's obviously not intended to be a full history of Earth.
"There were probably nobody around before 14,000 years ago to draw the before part of the graph."
- Philomena Cunk
Yes! Philomena, go! :-D