Technician a Says That Nitrogen Can Combine in the Combustion

Multiple Choice

Technician A says that nitrogen can combine in the combustion chamber with oxygen to form nitrogen oxides, a regulated air pollutant. Technician B says that nitrogen makes up 78 percent of the air that we breathe every day. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B