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Global Environmental Issues MCQs

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1. : The main greenhouse gas responsible for global warming is:





2. : The thinning of the ozone layer is primarily caused by:





3. : Which international treaty was signed to protect the ozone layer?





4. : Which global issue is most directly linked with sea-level rise?





5. : Which of the following is considered a renewable energy source?





6. : Desertification is most commonly caused by:





7. : Which country is currently the largest emitter of CO₂?





8. : Which of the following gases is NOT a greenhouse gas?





9. : The main cause of acid rain is:





10. : Which of the following is an example of a transboundary pollution problem?





11. : The Kyoto Protocol focuses on:





12. : Which region of the world is most affected by desertification?





13. : Which environmental problem is directly caused by deforestation?





14. : The major cause of coral reef bleaching is:





15. : Which international agreement addresses climate change after Kyoto?





16. : Which of the following is an invasive alien species problem?





17. : Which pollutant is mainly responsible for photochemical smog?





18. : The term “biodiversity hotspot” refers to:





19. : Which global environmental issue is caused by overfishing?





20. : The greenhouse effect is essential for life on Earth because it:





21. : Which international agreement deals with hazardous waste movement across borders?





22. : Which of the following is a primary cause of water pollution globally?





23. : Which continent has the largest tropical rainforest?





24. : Which of the following contributes most to ocean acidification?





25. : The main goal of global environmental governance is to:





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