What element do all organic compounds contain?
Carbon
Hydrogen
Nitogen
Oxyge...
![subject](/tpl/images/cats/biologiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 22:40
Which sequence correctly shows the path of carbon dioxide during repiration?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:00
Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 08:00
Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure
Answers: 1
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
Questions
![question](/tpl/images/cats/en.png)
English, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 09.11.2019 22:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 22:31
![question](/tpl/images/cats/biologiya.png)
Biology, 09.11.2019 22:31
![question](/tpl/images/cats/biologiya.png)
Biology, 09.11.2019 22:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)