In what situation does the ready pack become worthless?

The scenario in which the ready pack becomes worthless is when it is not well organized. A well-organized ready pack ensures that all essential items can be quickly accessed and used in emergency situations. If a pack is disorganized, items may be difficult to find, which could lead to wasted time during critical moments. Being unprepared or scrambling through a cluttered pack can compromise the efficiency of a search and rescue operation, as responders need to be able to rely on their equipment without delay.

When considering the other options, it is important to note that while weight, location, and the freshness of items are relevant factors to the effectiveness of a ready pack, those issues do not inherently render the pack useless. For example, a pack that is too heavy can still be carried, albeit with difficulty, and it can be reorganized to distribute the weight more efficiently. Similarly, a pack that is located away from the action can still be retrieved if necessary, and expired items may still be usable depending on their nature and circumstances, although they should be replaced as soon as possible. In contrast, if the contents are disorganized, it fundamentally defeats the purpose of having a ready pack.