1. Pollution is one of the biggest threats to biodiversity. Oil spills in the marine environment have a major negative effect in the marine environment.

• Describe the possible sources of oil spills in the marine environment                    
• Describe incidents or past oil spills that have occurred in South Africa                  
• What are the mitigation measures that can be taken to address oil spills in South Africa  

 2.

• Nitrification is one of the major water impacts in South Africa. Give details outline its source and potential impact on the environment and human and animal health                       

Answer rating: 100% (QA)

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