Other questions in this quiz

2. Approximately what percentage of the air is carbon dioxide?

  • 3.46%
  • 0.037%
  • 0.10%

3. What formed the early atmosphere?

  • volatile compounds and elements released from molten rock.
  • plants
  • rock

4. Which gas makes up approximately 1% of the atmosphere?

  • argon
  • carbon dioxide
  • oxygen

5. Where did the oceans come from?

  • As the atmosphere cooled below 100oC, steam condensed
  • From plants
  • From volcanoes

Comments

Andreahlimb

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its good

killjoe

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k

GCSE 9

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really cool. I got 6 out of 6

Arzoo.Ali

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17th may bio revision.......all about alcoholic rats and drunk

joshbeard.8

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very good not sure all questions are entirely relevant

4 stars 

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