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1. Why is life on Earth not possible without plants? Explain using elements/ CO2 O2 and H2O
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1. Why is life on Earth not possible without plants? Explain using elements/ CO2 O2 and H2O

User Zun
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Because plants give off oxygen, O2, which we use to breathe. Without plants, many things we do today wouldn’t be possible because we have no reliable oxygen source
User RedFog
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