0 votes
in Science by (46.2k points)

Which rule we should follow to protect eyes while watching TV or computer? 

A) 20-20-20 

B) 40-4-40 

C) 10-10-10 

D) 12-12-12

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1 Answer

+1 vote
by (47.6k points)

The correct option is A) 20-20-20.

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