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Is it possible to "trap" or buy greenhouse gases individually and release them into greenhouses?
I'm doing a science fair project, determining which greenhouse gas absorbs the most heat, and I need to get water vapor, methane, carbon dioxide, and nitrous oxide. I was wondering if i could buy like bottles of these types of gases, without harming myself or my family. I need to release the gases into 4 different mini-greenhouses, and i'm not sure if its possible. HELP?!! This think counts for 6 test grades!!
Well, technically, yes. You can buy CO2 in a tank (along with many other gases), and you can release them into a greenhouse. It might have the same effect as it does on the earth. For water vapor, just boil enough water in your greenhouse for long enough. If you want N2o you can buy that in a tank too. Unfortunately, this is very expensive because n2o is harder to make and find than something like co2. As for methane, (and I know that this sounds really silly) have the gassiest kid in class pass some gas into your greenhouse. This might be harmful for obvious reasons. You may have to be careful with these gases as human beings are not designed to breath it in. This is mainly a problem if you are talking about a greenhouse that you could walk into. If you were to walk into a greenhouse filled with co2, there will be a danger of suffocation. Other than that, I'm sure that it's all possible. For co2, I'd check a local paintball shop. If there isn't one where you live, the next place to look would be a sporting good store. I don't know where to buy n2o, but I'd assume that you have to special order it. The same applies to methane. (Don't try the source for methane posted above, it was just a joke.) And water vapor, which is essentially steam, just boil some water and keep it boiling.
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