A. Phosphate rock only
B. Agricultural fertilizers only
C. Sewage and phosphate rock
D. Sewage and agricultural fertilizers
The correct answer to the question: "Phosphate pollution is caused by:" is "Sewage and agricultural fertilizers".
A. Phosphate rock only
B. Agricultural fertilizers only
C. Sewage and phosphate rock
D. Sewage and agricultural fertilizers
A. Phosphene
B. SiF4
C. Dust
D. Halogens
A. Thermal power plant
B. Automobile
C. Radioactive power plant
D. Hydroelectric power plant
A. Ammonia
B. Phytoplankton
C. Industrial effluents
D. Smoke
A. CFC, CH4 and SO2
B. Sulphates of Na, Ca and Fe
C. Fly ash
D. All of these
A. Chlorides
B. Cyanides
C. Fluorides
D. Nitrates
A. Hot water from power plants
B. Hot chemicals from industries
C. Waste from mines
D. Waste from agricultural fields
A. Sewage and industrial effluents
B. Household detergents and pesticides
C. Automobile exhausts and chemicals from industry
D. Sewage and pesticides
A. O3
B. CO
C. CO2
D. N2
A. Decay of bodies of aquatic organisms
B. Rain
C. Growth of phytoplankton
D. Industrial effluents
A. Thermal power plant
B. Diesel engine
C. Hydroelectric power station
D. Pollen grain
The correct answer to the question: "Phosphate pollution is caused by:" is "Sewage and agricultural fertilizers".
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