Can you put the other options for the question so that I can help?
Answer:
(A)
Explanation:
The population in the US and Canada is most dense along the coasts and navigable rivers where people were first able to get to settle. It is also affected by climate, soil quality. availability of water and the topography of the land. The least settled areas are very cold, swampy, desert wastelands and/or steep rocky , inaccessible areas which can be farmed or easily built upon.
The right answer for the question that is being asked and shown above is that: "b. 2,314." The land area of the United States can be divided into more than b. 2,314 watersheds. The total land area of the United States is very big.