Q. Which of the following is a sink for CO ?
A) Haemoglobin
B) Micro organisms present in the soil
C) Oceans
D) Plants
Explanation
[Solution] Soil microorganisms remove CO from the atmosphere and act as its natural sink. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.