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trees give us oxygen

all animals breathe out carbon dioxide (CO2)

trees use CO2 to help with their photosynthesis, use the carbon and expel the oxygen (O2) into the atmosphere which we then breathe in again

they also give us paper, shade, fuel for fires, aspirin( from the bark of willow trees), rubber and building materials

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Waldo Mayer

Lvl 13
3y ago

What else can I help you with?