Question

Brown colour of Key sign of map
represents​

Answer 1

Answer:

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Explanation:

Brown: deserts, historical sites, national parks, military reservations or bases, and contour (elevation) lines. Black: roads, railroads, highways, bridges, place names, buildings, and borders. Purple: highways, and on U.S. Geographical Survey topographic maps, features added to the map since the original survey

Answer 2

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Brown colour represents hills or lower parts of mountains.