... of all human-induced methane (23 times as warming as CO2), which is largely produced by the digestive system of ruminants, and 64 percent of ammonia, which contributes significantly to acid rain" (Mathews). This makes it more contaminating than pollution. It all adds up to the rights of organic (mainly manure) and inorganic (hormones, antibiotics etc.) that come from such productions ... ...

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• Grade Level: Graduate