How does the rating of livestock cause pollution?

1.	How does the rating of livestock cause pollution?
Answer» Livestock produce greenhouse gases, especially METHANE, from their digestive processes. Ruminants, such as cows, use bacteria to help digest food. ... Approximately 37% of human-induced methane PRODUCTION comes from livestock. Ammonia gas is commonly USED as a fertilizer and some of it escapes into the ATMOSPHERE.

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