Cows produce 500 liters of methane a day, adding to the dangerous volume of greenhouse gases in our atmosphere. Could onions be the answer?
Can You Guess Which Animals Fart (Or Don't)? - https://youtu.be/ULzVJ_Monfs
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Scientists Feed Cows Onions to Make Them Stop Farting So Much Methane
https://gizmodo.com/scientists-feed-cows-onions-to-make-them-stop-farting-s-1791347637
"Methane gas makes up 11 percent of America
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