Citation:
Ammonia gas is a compound made up of nitrogen and hydrogen atoms. It is commonly used in cleaning products and fertilizers, but it can be harmful to humans and the environment when released in large amounts.
The process by which nitrogen is converted into different forms that can be used by living organisms.
Substances added to soil or plants to provide essential nutrients for growth.
Precipitation that contains high levels of sulfuric acid or nitric acid, usually caused by air pollution.