Answer:
The O2 gas in uses in Aerobic Respiration and That O2 is performing that process to make ATP for your body and making glucose to function your body
Explanation:
Lactic Acid Fermentation is Anaerobic Respiration which doesn't Involve Oxygen
Sorry if I'm wrong
Hope this helps!
I am not sure but here is a link to help you :)
https://www.ncbi.nlm.nih.gov/pubmed/22322095
For questions 11-15
11. Magnesium Oxide is a combination between Magnesium and oxygen so the formula will be MgO
12. Calcium Chloride is a combination between Calcium and Chlorine, so the formula will be CaCl₂ the ₂ comes from the fact that there is two Chlorine atoms
13. Lithium Sulfide is a combination between Two lithium and a sulfur atoms,
so the formula will be Li₂S The ₂ coming from the two lithium atoms
14. Barium Selenide is a combination between Barium and Selenium so the formula will be BaSe
15. Aluminum Oxide is a combination between Aluminum and Oxygen, there are two Aluminum atoms and three Oxygen atoms, so it will make Al₂O₃
Hope this helps