Answer:
The Great Oxidation Event (GOE), sometimes also called the Great Oxygenation Event, Oxygen Catastrophe, Oxygen Crisis, Oxygen Holocaust, or Oxygen Revolution, was a time period when the Earth's atmosphere and the shallow ocean experienced a rise in oxygen, approximately 2.4 billion years ago (2.4 Ga) to 2.1–2.0 Ga during the Paleoproterozoic era.
Explanation:
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Answer:
circle vs eclipse - down below!!
Explanation:
a circle has the same distance between a center, but an eclipse does not have the same distance between a center. AND, an circle has a fixed radius that stays solid, but a eclipse does not.
You warm hands would probably get cold
The right answer is CFA francs