kynaboo08 kynaboo08
  • 01-12-2020
  • Biology
contestada

What does 20-20-20 mean??

Respuesta :

yaretzivilla213
yaretzivilla213 yaretzivilla213
  • 01-12-2020

Answer:

-0

lol

Explanation:

Answer Link
panda430
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

Otras preguntas

The sum of two times a number and four
what is the equation of the line​
What structure or layer in the skin forms fingerprints and footprints?
(ii) 4xz? [- xyz + 3yz?]​
The Internet is considered a WAN. * True False
HELP!! A sock company estimates that its monthly cost is C(x) = 100x2 + 500x and its monthly revenue is R(x) = -0.523 + 800.22 – 700x + 500, where x is in thous
Beth had 1/4 box of candy. she ate 1/5 of the candy. If she decides to refill the box , what fraction of the box would need to be refilled ?
in international trade, an exchange rate is
the sum of twice a number and 20 less than the number is the same as the difference between -12 and the number what is the number
What are Healthy and Unhealthy Coping Strategies for school