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
e
improve the quality of fish
Explanation
Correct Option
dNo explanation available
Video Explanation
No video available
Post your Contribution
Share:
Discussions (0)
No comments yet
Be the first to comment
