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Q1. Suppose the soil under a single story house emits1-pCi/m2S of radon gas. The house has an area of 250m2 of floor space and an average ceiling height of 2.5m and air exchange rates of 0.9 ach. Calculate the steady state concentration of radon in the huse assume the ambient concentration is negligible. Take k=7.6 x 10-3/hr

Q2. Between April 2 and May 16 of one year, 22 children in three states developed diarrhea, fever and vomiting. The children each received pet ducklings. Gram negative, Facultatively anaerobic bacteria were isolated from both the patients' and ducks' feces; bacteria were identified as serovar C. What is the genus of these bacteria?

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Biology, Academics

Category:- Biology
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