Register
What the concentration of oxygen
95.0k views
2 votes
What the concentration of oxygen

User Jaxan
by
6.7k points

2 Answers

4 votes

the air required for human breathing is 19.5 percent.

User Andor
by
6.5k points
3 votes

Answer:

19.5%

Step-by-step explanation:

User Y Durga Prasad
by
6.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.1m questions

9.5m answers

Other Questions

As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Key facts of covalent bonding
How many protons, electrons, and neutrons are in I- and Li+ ?
What conditions must be met in order for a reaction to be considered exothermic?
What functional groups are present in acetaminophen?
Link Copied!