Primary Pollutants MCQs & Quiz Online PDF Book Download
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MCQ on Primary Pollutants PDF Book Download
MCQ: Smog levels in Los Angeles in winter are very
MCQ: Primary pollutants responsible for air pollution includes
- oil spill
- volcanic ash
- dump material
MCQ: Smoke with ozone react to form
MCQ: Contamination caused by human or natural resources is regarded as
- air pressure
- air pollution
- air lapse
- air exhaust