Which of the following destroys the marine ecosystem? A. fishpond C. dynamite fishing
B. reclamation D. constructing man-made sanctuaries​

C. Dynamite fishing

dynamite fishing is a destructive fishing practice using explosives to stun or kill schools of fish for easy collection. This often illegal practice is extremely destructive to the surrounding ecosystem, as the explosion often destroys the underlying habitat that supports the fish.

Abbreviated as mg-25.