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Word · 単語
carbon dioxide
carbon dioxide · CO2
JLPT
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#7190
frequency
Not started
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Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.

· examples

  • Carbon dioxide is not a poison in itself.

  • The amount of carbon dioxide has increased by 10 percent.

  • Carbon dioxide sometimes harms people.

  • Tropical rainforests produce oxygen and consume carbon dioxide.

  • Trees give off oxygen and absorb carbon dioxide.

Kanji used