1) Air pollution is caused by a) deforestation b) air traffic c) motor vehicle d) microplastics 2) Water pollution is caused by a) microplastics b) road traffic c) forest fires d) sewage 3) Land pollution is caused by a) soil erosion b) littering c) nuclear waste d) heavy metals 4) noise pollution is caused by a) air traffic b) deforestation c) littering d) soil erosion 5) Radioactive pollution is caused by a) industrial waste b) solid waste disposal c) nuclear power plants d) microplastics 6) Thermal pollution is caused by a) deforestation b) road traffic c) littering d) sewage

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