Which of the following is not the common way to prevent common cold ?
A. Using hand sanitizers
B. Blowing nose in open
C. Staying away from people suffering from cold
D. Sipping warm water
Answer:B
Which of the following is not the common way to prevent common cold ?
A. Using hand sanitizers B. Blowing nose in open C. Staying away from people suffering from cold D. Sipping warm water