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RSB [31]
3 years ago
15

PLEASE HELP!

English
2 answers:
IrinaK [193]3 years ago
0 0

Yawning helps with the cooling down with the brain. Like an fan for an over heated computer. It’s contagious because it shows human behavior
nikdorinn [45]3 years ago
0 0

Answer:

A: Yawning is a form of communication.

Explanation:

 The line in option A shows the main idea of the paragraph in which we read what some  scientists belive about yawning: being a form of communication, they theorize trying to understand why yawning seems to spread from person to person, <em>considering this a form of communication, with a contagious form of message,  even though they are not yet sure what it is.</em>

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