![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:30, ayoismeisalex
Which greenhouse gas is emitted when burn fossil fuels for energy? a. nitrogen b. oxygen c. carbon dioxide d. helium
Answers: 2
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:40, karlyisaunicorn
Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
Answers: 1
Do you know the correct answer?
Effect of agriculture on ecosystem​...
Questions in other subjects:
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/en.png)
English, 19.03.2020 04:19
![Konu](/tpl/images/cats/biologiya.png)
Biology, 19.03.2020 04:19
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 19.03.2020 04:20
![Konu](/tpl/images/cats/mat.png)