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What causes colds?

A. Not dressing warmly when it's chilly.
B. Microscopic virus in the air or on the things you touch.
C. sitting or sleeping on a draft.
D. going outside with wet air.

2 Answers

8 votes
Answer is B. Microscopic virus in the air or on the things you touch.
User JohnnyFun
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8 votes

Answer:

About 10% to 15% of adult colds are caused by viruses also responsible for other, more severe respiratory illnesses.

B

Step-by-step explanation:

User CargoMeister
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3.8k points