![subject](/tpl/images/cats/mat.png)
Mathematics, 19.04.2021 16:20 Tren17
Parrots can develop cognitive issues as they get older. This may compromise their memory, ability to learn, awareness, sight, and hearing. A researcher wishes to conduct a study to find which of two medicines, Medicine A or Medicine B, is more effective in improving cognitive health. A total of 150 parrots that are at least 12 years old will be randomly selected from sanctuaries around the United States. The researcher will get consent from all owners, treat the parrots for 1 year, and evaluate changes in cognitive health. Part A: How would the study benefit from adding a control group
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Can someone me with these two circle theorem questions asap?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Which expression is rational? 6. , square root two, square root 14, square root 49
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:10
The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
Parrots can develop cognitive issues as they get older. This may compromise their memory, ability to...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.01.2020 15:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 15:50
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 15:50
![question](/tpl/images/cats/en.png)
English, 30.01.2020 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/es.png)
Spanish, 30.01.2020 15:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 15:50
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.01.2020 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2020 15:50
![question](/tpl/images/cats/geografiya.png)
Geography, 30.01.2020 15:50