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B
Tansley
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C
Odum
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D
Clements
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Solution
The correct option is A Des Voeux Smog is the term which is used to describe the combination of the smoke and the fog. Dr. Henry Des Voeux coined the term smog after he studied the fog in London which contains the smoke and dust particles. The presence of the high concentration of the carbon particles, the smog was known as black fog.