![subject](/tpl/images/cats/biologiya.png)
Biology, 13.11.2019 08:31 brinks7994
What is the purpose of using multiple control groups in an experiment? a. to provide more work so that you look busy when doing experiments b. to ensure that no experimental subjects escape the maze c. to you identify the substance that you spilled on the floor d. to you determine that your experimental results are valid
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:00
In which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:00
Can a trait be both polygenic and have multiple alleles? explain why or why not.
Answers: 2
![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
You know the right answer?
What is the purpose of using multiple control groups in an experiment? a. to provide more work so t...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 11.11.2020 04:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.11.2020 04:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.11.2020 04:30
![question](/tpl/images/cats/mat.png)
Mathematics, 11.11.2020 04:30
![question](/tpl/images/cats/mat.png)
Mathematics, 11.11.2020 04:30
![question](/tpl/images/cats/es.png)
Spanish, 11.11.2020 04:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.11.2020 04:30
![question](/tpl/images/cats/mat.png)
Mathematics, 11.11.2020 04:30
![question](/tpl/images/cats/istoriya.png)
History, 11.11.2020 04:30