Explain one type of pollution that occurs at site Q F1-water pollution E1-Effluent /phosphate /any suitable pollutant are released from the factory release into the river F2-Thermal pollution E2-Hot water form teh factory is released into the river which reduce dissolves oxygen in the river 1 1 1 1 2 (b) The farmer at site P spray a large amount of pesticide in their agriculture activity Diagram show a food chain at site R Explain why the tissue in the food contain a higher level of pesticide molecule compared to the algae P1-Algae absorbs the contaminated water /chemicals P2-The tadpoles on the algae P3-The chemical in the algae will accumulate in the tadpole body tissue P4-The fish feeds on the tadpole 1 P5-Will cause the chemical (accumulated) in the body tissue of the tadpole 1 P6-The fish will have a higher concentration of chemical in body tissues 1 1 1 1 4 No Marking scheme Marks (c) (d) Explain the impact of human activities at site Q on humans
Explain one type of pollution that occurs at site Q F1-water pollution E1-Effluent /phosphate /any suitable pollutant are released from the factory release into the river F2-Thermal pollution E2-Hot water form teh factory is released into the river which reduce dissolves oxygen in the river 1 1 1 1 2 (b) The farmer at site P spray a large amount of pesticide in their agriculture activity Diagram show a food chain at site R Explain why the tissue in the food contain a higher level of pesticide molecule compared to the algae P1-Algae absorbs the contaminated water /chemicals P2-The tadpoles on the algae P3-The chemical in the algae will accumulate in the tadpole body tissue P4-The fish feeds on the tadpole P5-Will cause the chemical (accumulated) in the body tissue of the tadpole P6-The fish will have a higher concentration of chemical in body tissues 1 1 1 1 1 1 4 No Marking scheme Marks (c) (d) Explain the impact of human activities at site Q on humans