Part B contains TWO questions. Answer ALL. Bahagian B mengandungi DUA soalan. Jawab SEMUA. QUESTION/SOALAN MARKS/MARKAH...

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Part B contains TWO questions. Answer ALL. Bahagian B mengandungi DUA soalan. Jawab SEMUA. QUESTION/SOALAN MARKS/MARKAH I. According to the National Institute of Environmental Health Sciences (NIEHS) interview, Dr Keri Hornbuckle commented that PCBs are a large group of chemicals that persist in the environment. (a) Briefly discuss the health impact of eating PCB-contaminated fish on the human population. (b) Outline the mitigation measures to reduce the risk of exposure in the surrounding population, such as the schools and residential nearby the source of PCB-contaminated sites (10) (10) (Total / Jumlah: 20) Part B contains TWO questions. Answer ALL. Bahagian B mengandungi DUA soalan. Jawab SEMUA. QUESTION/SOALAN MARKS/MARKAH I. According to the National Institute of Environmental Health Sciences (NIEHS) interview, Dr Keri Hornbuckle commented that PCBs are a large group of chemicals that persist in the environment. (a) Briefly discuss the health impact of eating PCB-contaminated fish on the human population. (b) Outline the mitigation measures to reduce the risk of exposure in the surrounding population, such as the schools and residential nearby the source of PCB-contaminated sites (10) (10) (Total / Jumlah: 20)