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Chemistry, 16.04.2021 04:40 bobduncan1086
About 2.0 billion years ago, complex organisms began to inhabit Earth. These complex organisms developed primarily because of -
F- the eruption of volcanoes
G- changes in atmospheric gases
H- the impact of comets
J- sunlight being absorbed by land
( THIS IS EARTH SCIENCE!!!)
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About 2.0 billion years ago, complex organisms began to inhabit Earth. These complex organisms devel...
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