Clara: Why do we have to have so many trees?
Me: Well we breathe in oxygen and breathe out carbon dioxide, but trees breathe in carbon dioxide and out oxygen, so it's like we're trading.
Clara: So it's the opposite!
Me: Yes.
Clara: Are the trees breathing right now?
Me: Yes. Anytime the leaves are green they're breathing.
Clara: I'm going to breathe on them to give them more air. *breathes heavily on the closed car window*
Me: Well we breathe in oxygen and breathe out carbon dioxide, but trees breathe in carbon dioxide and out oxygen, so it's like we're trading.
Clara: So it's the opposite!
Me: Yes.
Clara: Are the trees breathing right now?
Me: Yes. Anytime the leaves are green they're breathing.
Clara: I'm going to breathe on them to give them more air. *breathes heavily on the closed car window*
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