Most harmful environmental pollutants are
Natural nutrients in excess
Human organic wastes
Nonbiodegradable chemicals
Waste animal feed
Most harmful environmental pollutants are
The atmosphere of big metropolitan cities is polluted most by |
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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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