Howstuff works carbon 14 dating

08-Sep-2020 19:20

howstuff works carbon 14 dating-51

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Cows contribute 3 percent of Britain's overall greenhouse gas emissions and 25 to 30 percent of its methane.In New Zealand, where cattle and sheep farming are major industries, 34 percent of greenhouse gases come from livestock.There might not be a lot of ancient dinosaur bones waiting to be dug up, but there are still quite a few fossils left to uncover.Finding fossils is surprisingly easy; there might even be a few buried in the back yard.To understand why cows produce methane, it's important to know a bit more about how they work.

Ruminants eat food, regurgitate it as cud and eat it again.Scientists gain an understanding of the Earth's history by studying its composition.