Other questions in this quiz

2. How were oceans formed?

  • Water vapour cooled and condensed
  • Chemical reactions took place which made water
  • Water came up from the ground
  • It rained constantly and filled the oceans

3. What do catalytic converters remove from exhust fumes?

  • Nitrogen oxides and water vapour
  • Nitrogen oxides and carbon dioxide
  • Sulfur monoxides and carbon dioxide
  • Sulfur dioxide and nitrogen monoxide

4. How is carbon dioxide removed from the atmosphere?

  • Taken out by cars
  • Dissolved in oceans, trapped in sedimentary rocks / photosynthesis
  • Dissolved into the air
  • Not possible to remove it

5. What do nitrogen and oxygen form when they are react in hot engines and furnaces?

  • Water (h2o)
  • Nitrogen
  • Nitrogen oxides
  • Oxygen nitrates


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