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Booms were used to reduce the impact of the oil spill on Singapore’s beaches. Explain how a boom reduces the impact of oil spills. (c) Suggest one reason why the workers are wearing protective clothing. (d) Suggest two causes of an oil spill at sea. Voce (e) State two strategies for reducing the impact of oil spills at...
See it on the paper →Suggest how an oil spill on land reaches a coastal ecosystem. (iii) Booms, detergent sprays and skimmers are strategies to minimise the impacts of oil spills in a coastal ecosystem. Describe how these strategies minimise the impacts of oil spills.
See it on the paper →Describe how a skimmer is used to reduce the impact of an oil spill on marine ecosystems.
See it on the paper →Describe how booms reduce the impact of marine oil spills.
See it on the paper →State the method of dealing with the oil spill shown in the diagram.
See it on the paper →The effectiveness of using a boom as a strategy for reducing the impact of oil spills at sea.
See it on the paper →State three strategies used to minimise the impacts of oil spills.
See it on the paper →The role of booms was generally well understood, although a common error was to describe them as collecting oil rather than containing an oil spill and preventing its further spread.
— Examiner report, May/June 2025, 0680/12 Q4(c) (Cambridge)
Many candidates gained full credit for stating three strategies used to minimise the impacts of oil spills. The most common strategies were burning the oil and the use of booms, detergents and skimmers. Transporting oil in tankers with double hulls and reference to The International Convention for the Prevention of Pollution from Ships (MARPOL) were also credited.
— Examiner report, February/March 2023, 0680/22 Q3(d)(iii) (Cambridge)
In this question, candidates needed to describe how the boom worked. Many knew that the boom collected the oil spill and needed to add that the boats were towing the boom, for full credit.
— Examiner report, May/June 2022, 0680/13 Q3(a) (Cambridge)
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Use the photograph to describe how the boom is used to deal with the oil spill.
State two other methods of dealing with oil spills.
See it on the paper →Describe strategies for minimising the impacts of oil spills.
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