Final answer:
Underground installations provide hiding places for food reserves, which are protected from predators. The soil conditions underground make these reserves more nutritious and abundant.
Step-by-step explanation:
Underground installations have various advantages. They provide hiding places for food reserves, protecting them from potential predators. Additionally, the soil conditions underground, which include consistent moisture and temperature levels, make these food reserves more nutritious and abundant. These favorable conditions allow for the growth and storage of vital resources. Overall, underground installations offer a safe and stable environment for food reserves.