Question

perennial rivers in topographical maps and indicated by the colour a black
B red
C grey
d blue

Answer 1

A. black- The colors of the lines usually indicate similar classes of information: topographic contours ... and trails, railroads, boundaries, and other cultural features (black). At one time ...

B red -built-up areas (gray or red). Many features are shown by lines that may be straight, curved, solid, dashed, dotted, or in any combination. The colors of the lines usually indicate ...

C- grey colour-built-up areas (gray or red). Many features are shown by lines that may be straight, curved, solid, dashed, dotted, or in any combination. The colorsof the lines usually indicate ...

D- blue -The colors of the lines usually indicate similar classes of information: topographic contours. ( brown); lakes, streams, irrigation ditches, and other hydrographic features (blue); land ...


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