The Chemical Evolution of Earth

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Quizizz Content
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Geography, Science, Biology, Physics, Chemistry
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4th Grade - University
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Hard
05:50
7 questions
Show answers
1.
Multiple Choice
What was the primary composition of Earth's early atmosphere during the Hadean Eon?
Hydrogen and helium
Ammonia, methane, and carbon dioxide
Oxygen and nitrogen
Ozone and argon
2.
Multiple Choice
What significant change occurred approximately 3.8 billion years ago that allowed Earth to cool down?
The emergence of plant life
A reduction in meteorite impacts
A decrease in solar radiation
The formation of the moon
3.
Multiple Choice
Which hypothesis suggests that organic compounds arrived on Earth via extraterrestrial sources?
Panspermia hypothesis
Meteorite hypothesis
Abiogenesis hypothesis
Oparin-Haldane hypothesis
4.
Multiple Choice
According to the Oparin-Haldane hypothesis, what type of atmosphere did early Earth have?
Neutral atmosphere
Oxidizing atmosphere
Reducing atmosphere
Inert atmosphere
5.
Multiple Choice
What energy sources did Oparin and Haldane propose could have driven the formation of organic molecules?
Lightning and ultraviolet radiation
Solar radiation and geothermal heat
Tidal forces and magnetic fields
Cosmic rays and radioactivity
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