What is fish farming? what are the disease found in its.​

The most common bacteria attacking fishes in fish farms are those of the genera Vibrio, Aemonas, or Renibacterium, among others. One significant bacterial disease is enteric septicaemia, caused by the bacterium Edwardsiella ictaluri.

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~Brainiliest please/~

r=rho l/a where a is the area, l is the length and rho is resistivity so the greater the area the lesser the resistance thats why the earth pin is thicker bcos current follow the shortest path, so less resistive .

the answer is b i think