C-02-Q085mediumsingle_mcq
The optimum amount of carbon dioxide required in pond water for good fish production is —
The optimum amount of carbon dioxide required in pond water for good fish production is —
- a0.5-1 ppm
- b1-2 ppm
- c5-8 ppm
- d10-12 ppm
The optimum amount of carbon dioxide required in pond water for good fish production is —