Final answer:
The boy could be responsible for what happened to the buck through his actions, such as hunting and accidentally killing it or being negligent in taking care of it.
Step-by-step explanation:
The boy could have been responsible for what happened to the buck because of his actions. For example, if the boy was hunting and accidentally shot and killed the buck, he would be responsible for its death. Additionally, if the boy was negligent in taking care of the buck and it suffered as a result, he would also be responsible.