While viewing a topographic map, you notice a region in which the contour lines are very close together. what can you conclude about this region?

that means there's a short distance between places with different elevations

Explanation:basically when the contours are closer that means that the slope is steep. The contour intervals tell the vertical distance between each line by counting the number of contours of neighboring lines and multiplying it with contour intervals we can calculate the elevation of any line

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.