The gas which has only 21% present in volume in the atmosphere is:
a)nitrogen
b)oxygen
c)carbondioxide
d)methane
Share
The gas which has only 21% present in volume in the atmosphere is:
a)nitrogen
b)oxygen
c)carbondioxide
d)methane
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
b) oxygen
Explanation:
The air in the Earth`s atmosphere is made up of 78 percent of nitrogen and 21 % of oxygen