• Question: Why do trees produce oxygen?

    Asked by Switch-it-on to Cathal, Dave, Karen, Bobs, Roisin on 14 Mar 2017.
    • Photo: Karen Barrett

      Karen Barrett answered on 14 Mar 2017:

      Trees produce oxygen when they use sunlight in the photosynthesis process as an energy source.
      This is why our rain forests are so important.

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