Weegy: Index contour lines are commonly shown only on a topographic map.
User: Contour lines are usually curves because _____.
A. it is a mapmaking convention
B. it is easier to draw the map that way
C. curves prevent the lines from crossing
D. terrain is rarely oriented along straight lines
Weegy: Contour lines are usually curves because: Terrain is rarely oriented along straight lines. Contour lines follow the actual topography on the ground.
User: A series of closed contour lines most likely represents a _____.
A. valley
B. plain
C. cliff
D. hill
Weegy: A series of closed contour lines most likely represents a.hill -is a landform that extends above the surrounding terrain
User: A series of closed contour lines most likely represents a _____.
A. valley
B. plain
C. cliff
D. hill
Weegy: A series of closed contour lines most likely represents a.hill -is a landform that extends above the surrounding terrain
User: The term relief refers to what?
A. terrain that is easy to cross
B. a marking used to indicate a decrease in elevation
C. a profile drawing of a region that shows the shape of the land
D. the difference in altitude between the highest and lowest points
(More) 
