1The factory's ammonia leak posed a significant risk to the health and safety of nearby residents.
2Ammonia is a critical component in the production of nitric acid, which is used in the manufacture of fertilizers and explosives.
3The environmental impact of ammonia emissions from agricultural activities has become a pressing concern for policymakers.
4In the human body, ammonia is a byproduct of protein metabolism and is typically converted into urea by the liver.
5The use of ammonia as a refrigerant in industrial cooling systems has been phased out due to concerns over its toxicity and environmental impact.