How human activities interfere phosphorus cycle?
commercial fertilizers, phosphate containing detergents, animals wastes from large-scale livestock farming,some industrial waste, and untreated human sewageall enter the waterways
Human activities like burning fossil fuels are adding immense amounts of carbon dioxide into the atmosphere. This is putting pressure on the carbon cycle which is unable to remove as much as is going in. Deforestation has also reduced the number of trees that used to remove greenhouse gas as part of the carbon cycle.