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Plants struggled for millions of years after the world's worst climate catastrophe, scientists reveal
With more than 80% of ocean species wiped out, the end-Permian event was the worst mass extinction of all time. But the ...
Nature13y
The Conservation of Mass
If we account for all reactants and products in a chemical reaction, the total mass will be the same at ... as coal before being burned in a power plant, followed by two decades in Earth's ...