Instructions: Below are the same questions rewritten in clearer language. Short hints are included to help you answer each one.
1. Why is fish farming important? (2 marks)
Rewrite: Explain two reasons why aquaculture (fish farming) is important for people and the environment.
Hint: Think about food supply, jobs, and taking pressure off wild fish populations.
2. Briefly explain what pollution is. (1 mark)
Rewrite: Give a short definition of pollution in one or two sentences.
Hint: Mention harmful substances or energy introduced into the environment that cause damage.
3. For each type below, briefly say what mainly causes it and give one real example. (Total 6 marks — 2 marks each)
A. Land pollution: (2 marks)
Rewrite: Describe the main causes of land pollution and provide one specific example (e.g., an actual waste problem or a location where it happens).
Hint: Think about solid waste, littering, improper dumping, agricultural chemicals, and examples like illegal dumps or overflowing landfills.
B. Water pollution: (2 marks)
Rewrite: Explain the main reasons water becomes polluted and give one real example (for instance, a river, lake or coastal area affected).
Hint: Consider sewage, industrial discharge, oil spills, and runoff from farms; name a known spill or polluted river as your example.
C. Air pollution: (2 marks)
Rewrite: State the main causes of air pollution and include one actual example (such as a city or event where air quality is poor).
Hint: Think about vehicle emissions, factory smoke, burning fossil fuels, and examples like smog in big cities or smoke from wildfires.
4. Can pollution change water resources from being renewable to non-renewable? Explain why this would be a serious global problem. (2 marks)
Rewrite: Could pollution make freshwater effectively non-renewable? Explain why this change would be a major world problem.
Hint: Explain how heavy contamination can make water supplies unusable or too costly to treat, and discuss impacts on health, farming, and ecosystems.