Archives for posts with tag: atmosphere

In the Mesozoic era, dinosaurs breaking wind (produced by bacteria in their guts) may have put 520 million tonnes of methane gas into the atmosphere every year. Methane is a greenhouse gas – this could explain why the temperature 150 million years ago was around 10 degrees C higher than it is now.

Read the abstract in Current Biology.

…that they cross over more than one level of the atmosphere. High clouds mostly made of ice particles and low clouds are mostly drops of water. Try making a cloud.

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