The atmosphere of big metropolitan cities is polluted most by
Automobile exhausts
Radio-active fall out
Household waste
Pesticides residue
The atmosphere of big metropolitan cities is polluted most by
Most hazardous metal pollutant of the automobile exhaust is |
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Which of the following pollutions forms Heat island? |
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Attack of asthma in certain persons may be due to |
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Non-Ionizing radiations with specific biological effects are |
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Ozone day is observed on |
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A chemical harmful released by Chlorofluorocarbon to ozone is |
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Ozone hole is largest over |
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Peeling of Ozone umbrella, which protects us from UV rays, is caused by |
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Fish die in water polluted by sewage due to |
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Ozone layer of upper atmosphere is being destroyed by |
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