Why are the private lands surrounding Glacier National Park so important a. They function as a hunting preserve. b. They are restricted to government use. c. They are heavily populated. d. They contain natural habitats of threatened species.

欠税的纳税人出境前，未结清应纳税款，又不提供纳税担保的，税务机关可以通知出境管理机关阻止出境。