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olga2289 [7]
3 years ago
11

Scientists infer that oxygen first began to enter the Earth's atmosphere after the appearance of

History
1 answer:
Vinil7 [7]3 years ago
5 0

Oxygen entered the Earth's atmosphere after the appearance of the Great Oxidation Event (Great Oxygenation Event). The Great Oxidation is the first mass extinction on Earth.

The Great Oxidation lasted 2.4 to 2.0 billion years ago.

Oxygen appeared on Earth thanks to cyanobacteria using photosynthesis.

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The Three-Fifths Compromise produced the greatest increase in congressional representation for which of these states
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People who wanted free land through the Homestead Act needed to:
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D. be able to build a house and farm.

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People who wanted free land through the Homestead Act needed to be able to build a house and farm.

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What was are short and long impacts on North Korea after the Korean War?
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