Two gases contribute to 99% of the total atmospheric pressure. They are ______.
a. CO2 and O2
b. N and O2
c. CO2 and H2O vapor
d. N and CO2
Answer: B
Two gases contribute to 99% of the total atmospheric pressure. They are ______.
a. CO2 and O2
b. N and O2
c. CO2 and H2O vapor
d. N 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.