A disease affecting industrial workers is
Silicosis
Fluorosis
Asthma
None of these
A disease affecting industrial workers is
Carbon monoxide is a pollutant because it |
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As it travels along the food chain, the concentration of DDT |
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CO emitted by automobiles prevents O-transport to body tissues by |
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Maximum deposition of DDT will occur in |
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Decomposition of domestic wastes under natural processes is called |
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Which one of the following is not normally a pollutant? |
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Eutrophication is often seen in |
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Ultraviolet radiation from sunlight causes the reaction that produces |
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DDT is a |
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Contamination of water with sewage is indicated by cysts of |
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