Which of the following is a part of an observational study?
a)control of all variables
...
![subject](/tpl/images/cats/biologiya.png)
Biology, 18.12.2019 01:31 luividal37
Which of the following is a part of an observational study?
a)control of all variables
b)manipulation of participants
c)collection of data
d)inclusion of bias
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 18:50
The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:30
Are the layers of rock above and below the coal older or younger?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:30
Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 14:00
Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
History, 31.01.2020 13:43
![question](/tpl/images/cats/mat.png)
Mathematics, 31.01.2020 13:43
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.01.2020 13:43
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.01.2020 13:43
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.01.2020 13:43
![question](/tpl/images/cats/mat.png)
Mathematics, 31.01.2020 13:43
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 31.01.2020 13:43
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.01.2020 13:43
![question](/tpl/images/cats/istoriya.png)
History, 31.01.2020 13:43