Quiz about A Cold (1)
Q1. Why is a cold going around in winter?
A1. Dryness of the air makes a virus easy to fly in the air.
Somebody who has a cold coughs or sneezes. Droplets holding viruses spread in the air.
If the humidity is high like in summer, the droplets are caught by water droplets in the air and drop on the ground.
On the other hand, In the winter, because the air is dry, the droplets holding viruses are not hit by the water droplets so they float in the air. It means there are more viruses in the air in the winter.
Q2. What is the number of droplets brown by one sneeze?
a. 500 b. 10 thousands c. 1 million
A2. 1 million
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