A. nitrogen and carbon (IV) oxide
B. nitrogen and noble gases
C. nitrogen and oxygen
D. nitrogen, carbon (VI) oxide and noble gases
E. the noble gases
Correct Answer:
Option B – nitrogen and noble gases
A. nitrogen and carbon (IV) oxide
B. nitrogen and noble gases
C. nitrogen and oxygen
D. nitrogen, carbon (VI) oxide and noble gases
E. the noble gases
Correct Answer:
Option B – nitrogen and noble gases
Copyright warnings! Do not copy.