Dissolved oxygen in fish ponds is maintained at normal level in order to
A accelerate decay of plant materials
B prevent disease attacks
C prevent acquatic plants from competing with fish
D keep fish activities normal
Answer is D
Do you need a better understanding of this subject? Why not JOIN OUR ONLINE WHATSAPP TUTORIAL NOW
This tutorial class is limited to 250 students only and you will be getting tips and expos on how to pass your exams excellently well.
Copy blue link and share with your friends to join Agric Science Tutorial Class
