What can be a deterrent?
sunlight fur seals crocodiles change tail fins aggression herbicide hope
A B C D E F G H
Also, pain is an excellent deterrent.
aggression can be a deterrent
What can be a deterrent? (A) sunlight (B) fur seals (C) crocodiles (D) change (E) tail fins (F) aggression (G) herbicide (H) hope