1. What reduced Carbon diocide in the Early atmosphere?
- Water vapours condensed and cooled to form water which fell as rain and filled the hollow crusts.
- water fell as rain
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Other questions in this quiz
2. What is the amount of oxygen in the air in the Earths early atmosphere?
- little or no oxygen
3. What created the gases of in the early atmophhere?
- sea water
- Water vapoure
4. What can limestone make?