Lewis and clark traveled from st. louis, which is beside the mississippi river. which of the following correctly describes the land they saw as they traveled to the pacific northwest? flat and low around the mississippi river, with a sharp and sudden rise to the rocky mountains, tapering off slowly to the ocean flat and low around the mississipi river, gradually rising to the rocky mountains, then tapering off quickly to the ocean flat but high around the mississippi river, with a sharp and sudden rise to the rocky mountains, dropping off suddenly to the ocean flat but high around the mississippi river, quickly rising to the rocky mountains, then tapering off slowly to the ocean

The correct answer is B: Flat and low around the Mississippi River, gradually rising to the Rocky Mountains, then tapering off quickly to the ocean. The area around the Mississippi river features low hills and broad, shallow valleys. It starts rising higher in South Dakota until it reach the northwest Rocky Mountains peaks and it decreases slowly into the Pacific Ocean.

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.