Sewage drained into water bodies kill fishes because
A. excessive carbon dioxide is added to water
B. it gives off a bad smell
C. it removes the food eaten by the fish
D. it increases competition fishes for dissolved oxygen
Answer:D
Sewage drained into water bodies kill fishes because
A. excessive carbon dioxide is added to water B. it gives off a bad smell C. it removes the food eaten by the fish D. it increases competition fishes for dissolved oxygen