/u/riphitter's posts in /r/askscience

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What is the minimum amount of plants you would need to survive in a sealed room? How fast do plants convert CO2 to O2 compared to us converting O2 to CO2?

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Why do people talk about wanting to be carbon neutral and not carbon negative?

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Why is it that you over water a potted plant and kill it, but when you propagate a cutting you can leave the roots submerged in a bowl of water for weeks?

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Is there a reason the length of a second is how long it is, or did we just pick a length and stick to it?

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Why does the edge of a piece of paper catch fire faster than the center of the paper?

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Why do we lose most of our heat from our feet and head rather than other parts like the hands or the chest?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the minimum amount of plants you would need to survive in a sealed room? How fast do plants convert CO2 to O2 compared to us converting O2 to CO2?	1
Why do people talk about wanting to be carbon neutral and not carbon negative?	1
Why is it that you over water a potted plant and kill it, but when you propagate a cutting you can leave the roots submerged in a bowl of water for weeks?	1
Is there a reason the length of a second is how long it is, or did we just pick a length and stick to it?	1
Why does the edge of a piece of paper catch fire faster than the center of the paper?	1
Why do we lose most of our heat from our feet and head rather than other parts like the hands or the chest?	1