How tos (2)
How tos category
FAQs (2)
FAQs category
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What is the current CO₂ level in the atmosphere, and has it ever been higher in Earth’s history?
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What is the optimum level of CO₂ (ppm) for plants? Plants do love CO₂ up to a point – CO₂ is the raw material for photosynthesis (plant “food”). There isn’t one single “optimum” CO₂ level for all plants, but experiments show that many plant
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When and where was CO₂ first measured?
Troubleshooting (1)
Troubleshooting category