![subject](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 03:00 Joshuafranklindude
Arecent study showed that teenagers who had night light in their rooms as babies are more likely to suffer from myopia than teenagers who had not used night lights. but genetic factors are known to play a role, and near-sighted parents are more likely to install a night light in their children's room. this makes it hard to tell if the night light caused the subsequent myopia. this is an example ofa. double-blindingb. the placebo effectc. confoundingd. controle. an explanatory variable
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30, LadyHolmes67
When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer
Answers: 2
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30, ninaaforever
The sum of two numbers is 12 and their difference is 18 what are the two numbers
Answers: 1
You know the right answer?
Arecent study showed that teenagers who had night light in their rooms as babies are more likely to...
Questions in other subjects:
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.08.2019 00:20
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.08.2019 00:20
![Konu](/tpl/images/cats/biologiya.png)
Biology, 02.08.2019 00:20
![Konu](/tpl/images/cats/biologiya.png)
Biology, 02.08.2019 00:20
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/biologiya.png)