345339
Statement A :
The prime contaminants in sewage and industrial or agricultural wastes are nitrates and phosphates, which act as plant poisons.
Statement B :
Pollutants flowing into a lake may poison whole populations of fish, whose decomposing remains further deplete the water's dissolved oxygen content.
345339
Statement A :
The prime contaminants in sewage and industrial or agricultural wastes are nitrates and phosphates, which act as plant poisons.
Statement B :
Pollutants flowing into a lake may poison whole populations of fish, whose decomposing remains further deplete the water's dissolved oxygen content.
345339
Statement A :
The prime contaminants in sewage and industrial or agricultural wastes are nitrates and phosphates, which act as plant poisons.
Statement B :
Pollutants flowing into a lake may poison whole populations of fish, whose decomposing remains further deplete the water's dissolved oxygen content.
345339
Statement A :
The prime contaminants in sewage and industrial or agricultural wastes are nitrates and phosphates, which act as plant poisons.
Statement B :
Pollutants flowing into a lake may poison whole populations of fish, whose decomposing remains further deplete the water's dissolved oxygen content.