Question

a firearm safety: a is intended for use only by inexperienced hunters b is foolproof c can prevent all accidental shootings d can be bumped from the safe position

Explanation:

• Option A: Firearm safety is for all users, not just inexperienced hunters.
• Option B: No safety mechanism is completely foolproof.
• Option C: While it helps, it can't prevent all accidental shootings (human error etc. still a factor).
• Option D: Firearm safeties can potentially be bumped from the safe position due to external forces (e.g., being jostled in a bag or during handling).

Answer:

D. can be bumped from the safe position