Question

What do contour lines show?
What are the different colours used on a
toposheet? What is each colour used for?
What are the features of contour lines?
If you were looking at circular, concentric
pattern of contour lines, what features would​

Answer 1

Answer:

(

Explanation:

(1) A line on a map representing an imaginary line on the land surface, all points of which are the same elevetion above a datum plane ,usually mean sea level .

(2) Black : All names , river banks , broken grounds ,dry streams , surveyed trees , heights and their numbering railway tracks telephone and telegraph lines . All cultivated areas .Green : All wooded forested areas, scattered trees and scrubs . Brown: contour lines ,their numbering ,stony waste ,sand features .

(3) Horizontal distance between counter line is inversely proportional to slope . Uniform slopes have uniformly spaced lines . Along place surfaces , contour lines are straight and pareller .Counter lines are perpendicular to lines of steppest slopes