If you are studying the effects of UV rays on eyesight and you group 10 people together and make them wear sunglasses for 10 wee

Question

3 years ago

14

If you are studying the effects of UV rays on eyesight and you group 10 people together and make them wear sunglasses for 10 wee

ks and see if their eyesight is affected and then take another group and do not give them sunglasses and test their vision after 10 weeks, what is the treatment ?

Mathematics

1 answer:

Colt1911 [192] · Answer 1 · 2022-08-07T14:30:01+03:00

Colt1911 [192]3 years ago

5 0

I dont know try some one els