506ForestryMedium
Sewage drained into water bodies kills fishes because:
AExcessive CO2 is added to water
BIt gives off a bad small
CIt removes the food eaten by fishes
DIt increases the competition with fishes for dissolved oxygen
Correct answer
D. It increases the competition with fishes for dissolved oxygen
Explanation
The correct answer is It increases the competition with fishes for dissolved oxygen.