Sources of NPS pollution are the human activities that generate the pollutant of effect on the water resource.
(Sources of NPS pollution; are; the human activities that generate the pollutant of effect on the water resource) (the human activities; generate; the pollutant of effect on the water resource)
Sources of NPS pollution the human activities
are generate
the human activities that generate the pollutant of effect on the water resource
the pollutant of effect on the water resource