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More cards in this set
Card 6
Front
What did the increase in O2 result in?
Back
Card 7
Front
What does this do?
Back
Card 8
Front
What can this cause?
Back
Card 9
Front
What happened when the simple animals appeared?
Back
Card 10
Front
What does the Ammonia from the volcanoes decompose to?
Back
Card 11
Front
What happened to these two elements?
Back
Card 12
Front
What is today's atmosphere now made up of? Give the % of each answer.
Back
See full card set