![subject](/tpl/images/cats/mat.png)
Mathematics, 16.02.2021 05:10 rodriguezzamyy
Which option is an example of an experiment?
A. Polling teenagers about their screen time in a day
B. Asking students in a school how much time they spend exercising
C. Testing the effect that eating organic food has on health by having
a group of people selected at random eat organic food for six consecutive months and then comparing the results with a group of people who didn't eat any organic foods during the same period
D. Recording the reaction time of participants in a study who were
asked to press a button as soon as they see a certain picture on a screen ASAP please
![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 14:50, bustillojoshua4
On a piece of paper, graph . then determine which answer choice matches the graph you drew
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00, carebear147
You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30, bellabarfield4286
The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?
Answers: 1
You know the right answer?
Which option is an example of an experiment?
A. Polling teenagers about their screen time in a day<...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 23:00
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 25.06.2019 23:00
![Konu](/tpl/images/cats/istoriya.png)