Q. What is the major function of air stone?
A) Remove $CO_{2}$ content from the nutrient solution
B) Dissolves $O_{2}$ in the nutrient solution
C) Increases the level of $N_{2}$ in the nutrient solutions
D) Removes $O_{2}$ from the nutrient solution
Explanation
An air pump used in conjunction with an air stone is an excellent way to dissolve oxygen in the nutrient solution
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.