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by misja111
3419 days ago
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> We know the greenhouse effect is real (just walk into a greenhouse and you'll know) Until now it was my understanding that greenhouses are warm because they are shielded from the outside by glass walls so only the sun can shine in but warmth can't go out.
Are you now saying that greenhouses are so warm because of their CO2 levels? |
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No, what the OP says is that CO2 acts like a greenhouse