![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 03.12.2019 14:31, ErrorNameTaken505
Why does a mountain climber need an oxygen supply at very high altitudes, even though the air still contains 21% oxygen
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30, sethjohnson386pbnm3x
Modern weaponry has increased the number of deaths in wars and violent conflicts.
Answers: 3
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00, ameliaxbowen7
Heat is the total potential energy of a substance that can be transferred. true false
Answers: 1
Do you know the correct answer?
Why does a mountain climber need an oxygen supply at very high altitudes, even though the air still...
Questions in other subjects:
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.12.2019 10:31
![Konu](/tpl/images/cats/istoriya.png)
History, 13.12.2019 10:31
![Konu](/tpl/images/cats/istoriya.png)
History, 13.12.2019 10:31
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 13.12.2019 10:31
![Konu](/tpl/images/cats/es.png)
Spanish, 13.12.2019 10:31