![subject](/tpl/images/cats/biologiya.png)
Biology, 05.05.2021 02:20 ilvvsShatalov3984
Carbon dioxide levels in the beginning of the Industrial Revolution was about 280 ppm (parts per million). If carbon dioxide levels have increased 38%, how much carbon dioxide is now in the atmosphere?
737 ppm
386 ppm
10640
8960 ppm
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:40, Student658
Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00, bendavidhizar
What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?
Answers: 1
You know the right answer?
Carbon dioxide levels in the beginning of the Industrial Revolution was about 280 ppm (parts per mil...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 19:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 19:40
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 19:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 19:40
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.02.2021 19:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 19:40