kynaboo08
kynaboo08
01-12-2020
Biology
contestada
What does 20-20-20 mean??
Respuesta :
yaretzivilla213
yaretzivilla213
01-12-2020
Answer:
-0
lol
Explanation:
Answer Link
panda430
panda430
01-12-2020
Do you mean for your eyes?
Like after 20 min on a screen, look 20 feet away for 20 seconds
Answer Link
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