Answer :
Final answer:
The unsafe practice when using a muzzleloader is directly loading powder from a powder horn, a plastic bag, or any large container. Pre-measure containers like flasks or paper cartridges are recommended for safety.
Explanation:
The student asked about an unsafe practice when using a muzzleloader. The safest method to load a muzzleloader is to always use a pre-measured container to pour powder into the barrel. Loading powder directly from a powder horn or any other container that holds a large quantity of powder can present a significant danger. Doing this can create a situation where a spark might ignite the main powder supply, causing an explosion.
The unsafe practice when using a muzzleloader is to directly load powder using choice (b) A powder horn, as well as using a plastic bag or any non-pre-measured, large container. It is always recommended to use a pre-measured flask or paper cartridge, as they minimize the risk of accidental ignition of a large powder supply.