"The designation of a territory as a national park, national monument, or other types of protected area can limit activities such as oil drilling and logging and provide funding for staff to work on preservation, maintenance, and visitor assistance." For question 2, the answer is B(type of protected area). But I've been told that "other" should always take a plural noun, as in "other federal lawS", whereas "another" should always take a singular noun. Then why isn't "A. No Change" correct? I would say "... other types of ...". Thanks!