In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)
A. t = 15 - 0.0065h
B. t = 15 + 0.0065h
C. t = 0.0035h -15
D. t = 15 - 0.0035h
Answer: Option A
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B. Lead
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D. Arsenic
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A. SO2
B. NOx
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D. Any of these
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