1
This question is about the Earth and its atmosphere.
Figure 1 shows the Earth and its atmos...
1
This question is about the Earth and its atmosphere.
Figure 1 shows the Earth and its atmosphere billions of years ago.
The boiling point of water is 100°C.
Suggest one reason why there was no liquid water on the Earth's surface billions of
years ago.
Earth's early
atmosphere of:
• carbon dioxide
• water vapour
• methane
• ammonia
Answers: 2
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