One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 444
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Multiple-choice question: The concentration at which the human body can detect the presence of vinyl chloride through smell is ( ). A 30 mg/m3 B 1290 mg/m3 C 2900 mg/m3 Answer: B
B 1290 mg/m3
The concentration at which the human body can detect the presence of vinyl chloride through smell is (B). A 30 mg/m3 B 1290 mg/m3 C 2900 mg/m3
The concentration at which the human body can detect the presence of vinyl chloride through smell is (B). A 30 mg/m3 B 1290 mg/m3 C 2900 mg/m3
B 1290 mg/m3
The concentration at which the human body can detect the presence of vinyl chloride through smell is (B). A 30 mg/m3 B 1290 mg/m3 C 2900 mg/m3
B 1290 mg/m
The concentration at which the human body can detect the presence of vinyl chloride through smell is ( ). Answer: B 1290 mg/m3