Which basic human need are Gertrude and her husband most likely at risk of missing during their desert hike?

In the context of a desert hike, nourishment is a critical basic human need that Gertrude and her husband may be at risk of missing. During physical exertion in a hot, arid environment, the body requires adequate sustenance to maintain energy levels and hydration. Without proper nourishment, individuals can experience fatigue, dizziness, and decreased cognitive function, all of which can compromise their ability to safely navigate their surroundings.

In a desert setting, access to food is often limited, making it essential for hikers to prepare and bring sufficient provisions. If Gertrude and her husband did not properly plan for their hike by packing enough food, they risk facing the complications associated with inadequate caloric and nutritional intake. Additionally, failures in nourishment can exacerbate issues related to dehydration, which is particularly concerning in hot conditions.

Other options, while also important, may not be as immediately at risk during a hike as the need for nourishment. Safety relies on situational awareness and precautions taken prior to and during the hike, sleep typically refers to a requirement fulfilled once the hiking activity has concluded, and comfort can vary based on clothing and immediate environmental conditions rather than being a basic need in a survival sense. Thus, nourishment stands out as the most critical element to be ensured during