Donte is writing a research paper about the gray wolf, an endangered species in the united states. which is the most effective research question? a) is the gray wolf more or less important than other species in the united states? b) where do gray wolves live in the unites states? c) how does the decline in numbers of gray wolves affect the ecosystem in the western united states? d) are most people in the united states scared of having an encounter with a gray wolf?