Final answer:
National parks and wilderness facilities serve the purposes of conserving biodiversity, promoting outdoor recreation and tourism, and raising awareness about conservation.
Step-by-step explanation:
National parks and wilderness facilities are designed to serve multiple purposes. One of the main goals is to conserve biodiversity and protect natural resources. National parks also provide opportunities for outdoor recreation and tourism, which can generate economic benefits for local communities. Additionally, these protected areas help promote environmental education and raise awareness about the importance of conservation.