Environment & Ecology · Environmental Ecology
Which of the following groups represents purely natural sources of environmental pollution?
- 1Fly ash, thermal power plant emissions, and electronic waste
- 2Volcanic eruptions, forest fires, and radioactive mineral leaching✓
- 3Pesticide runoff, nuclear power plant waste, and domestic sewage
- 4Industrial effluents, vehicular emissions, and plastic dumping
Correct answer
Volcanic eruptions, forest fires, and radioactive mineral leaching
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