Sail E0 Webinar
Question
The gas present in the atmosphere which is essential for respiration is:
Options:
A .  Oxygen
B .  Carbon dioxide
C .  Nitrogen
D .  Hydrogen
Answer: Option A
:
A
The gas present in the atmosphere which is essential for respirationis oxygen. Oxygen constitutes about 21% of the Earth's atmosphere.

Was this answer helpful ?
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers