Because of biogeochemical cycling,
Ahuman activity has no effect on elements, chemical compounds, and other forms of matter.
Bliving organisms are not limited by any one nutrient.
Cnutrients are circulated throughout the biosphere.
Dmany nutrients do not reach toxic concentrations in the biosphere.
Ahuman activity has no effect on elements, chemical compounds, and other forms of matter.
Bliving organisms are not limited by any one nutrient.
Cnutrients are circulated throughout the biosphere.
Dmany nutrients do not reach toxic concentrations in the biosphere.