Two gases contribute to 99% of the total atmospheric pressure. They are ___________.
A. CO2 and O2
B. N2 and O2
C. CO2 and H2
O vapor
D. N2 and CO2
Answer: B
Two gases contribute to 99% of the total atmospheric pressure. They are ___________.
A. CO2 and O2
B. N2 and O2
C. CO2 and H2
O vapor
D. N2 and CO2
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.