you put twelve fishes in an aquarium which contains three gallons of water you fed tem with the right amount of food after five days some of the fishes died why did it happend
a. the smelly and cloudy water in the aquarium was not replaced
b. there was no enough sape for the fishes and they compelete for food
c. the aquarium was not moved to another place
d.the aquarium did not have enough temperature