Marine life in the water column depends on the right combination of water temperature, acidity, and oxygen levels, so creatures such as fish and plankton can be hard hit by large regional fluctuations in any of these parameters. ...
Environment
Jul 1, 2024
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1
About 183 million years ago, volcanic activity in modern South Africa unleashed an estimated 20,500 gigatons of carbon dioxide (CO2) into the ocean–atmosphere system over a period of 300 to 500 thousand years. Known as ...
Earth Sciences
Jun 25, 2024
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157
Five hundred million years ago, the so-called Cambrian "SPICE" event made oxygen levels in the oceans drop dramatically.
Earth Sciences
Jun 21, 2024
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14
About 2.5 billion years ago, free oxygen, or O2, first started to accumulate to meaningful levels in Earth's atmosphere, setting the stage for the rise of complex life on our evolving planet.
Earth Sciences
Jun 12, 2024
1
189
