Solved

Clean Air

Question 55

Multiple Choice

Clean air


A) is pure oxygen.
B) contains mostly oxygen, some nitrogen and nothing else.
C) contains mostly nitrogen, some oxygen and nothing else.
D) contains mostly nitrogen, some oxygen, and a very small amount of several other gases.
E) has all of its nitrogen removed.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions