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Planet earch-Chemistry IG1

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  • What human activity adds the most carbon dioxide to the atmosphere?
    Driving cars ✅
  • Which gas is most involved in the carbon cycle?
    Carbon dioxide ✅
  • What is the process where water vapor turns into liquid?
    Condensation ✅
  • How do plants absorb nitrogen?
    From nitrates in the soil ✅
  • What is nitrogen fixation?
    Converting nitrogen gas into usable compounds ✅
  • What causes water to rise into the atmosphere?
    Heat from the Sun ✅
  • Which organisms absorb carbon dioxide during photosynthesis?
    Plants ✅
  • What process in the water cycle turns liquid water into vapor?
    Evaporation ✅
  • Carbon in animals returns to the soil when they:
    Die and decompose ✅
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