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The Earths Early Atmosphere (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'The Earths Early Atmosphere' from the broader topic Chemistry Of The Atmosphere. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Which of the following best explains why Earth retained a dense atmosphere while smaller bodies lost theirs?
What effect did the rise of atmospheric oxygen have on iron in the oceans?
Which factor would have most directly increased greenhouse warming in the early atmosphere?
What is thought to have been a key trigger for the Great Oxygenation Event (when O2 accumulated in the atmosphere)?
What role did plate tectonics play in long-term atmospheric carbon cycling?
Why is studying the composition of ancient rocks important for understanding Earth’s early atmosphere?
Which process is mainly responsible for the large increase in atmospheric oxygen about 2.5 billion years ago?
How did much of the carbon dioxide in the early atmosphere become removed and stored?
How did early oceans help reduce atmospheric carbon dioxide concentrations?
How did the presence of liquid water on the surface influence atmospheric evolution?
What is the main reason early atmospheric composition was harmful to modern animals and plants?
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