Hard-Level Quiz on Modern Pollution Challenges
Test your expertise on advanced pollution topics with six demanding multiple-choice items.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which of the following gases has the highest global warming potential over a 100‑year horizon?
- 2
Which treatment process is most effective at removing microscopic plastic particles from municipal wastewater?
- 3
What is the primary pathway for lead to enter the human food chain in contaminated agricultural soils?
- 4
According to the 2023 WHO Air Quality Guidelines, which pollutant has the lowest recommended annual exposure limit?
- 5
Which waste classification system is used internationally to identify the degree of danger of chemical substances?
- 6
In 2025, which micro‑contaminant has been identified as a major contributor to antibiotic resistance in river ecosystems?
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