Final Answer:
The sentence that states the main idea is: "This whole area is great country for hunters and fishermen." This sentence encapsulates the central theme of the passage, emphasizing the region's suitability for outdoor activities like hunting and fishing.
Step-by-step explanation:
The main idea of a passage is the central point or theme that the author wants to convey. In this case, the sentence "This whole area is great country for hunters and fishermen" serves as the main idea because it succinctly captures the essence of the passage. It communicates that the region being discussed is particularly favorable for outdoor enthusiasts engaged in activities like hunting and fishing.
The supporting details in the surrounding sentences further elaborate on why the area is suitable for hunters and fishermen. Mentions of great numbers of deer, bears, mountain lions, coyotes, streams full of trout, ducks, and geese contribute to the overall picture of a diverse and abundant natural environment. However, these details are supplementary to the main idea, which is the area's appeal to hunters and fishermen.
In conclusion, the main idea is a concise statement that encapsulates the primary message of the passage. In this case, it is the assertion that the entire area is excellent for individuals interested in hunting and fishing, and the subsequent details provide a more detailed picture of why this is the case.