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If the slopes of two lines are unequal, they will cross somewhere, so the distance between them depends on x, and isn't really defined.If the slopes are equal, they are parallel, so they don't cross. So two lines are far apart if they have the same slope and a large difference in their x or y intercepts.
Relief
lines that are beside each other and never meet
Perpendicular and parallel lines are two examples.
That's the only kind of parallel lines there are, non-intersecting!
If the "contour interval" ... the elevation difference between lines ... is the same everywhere on the map, then the lines will be closer rogether on steep ground, and farther apart on flatter ground.
Parallel lines-lines in the same plane with the same slope.
If the slopes of two lines are unequal, they will cross somewhere, so the distance between them depends on x, and isn't really defined.If the slopes are equal, they are parallel, so they don't cross. So two lines are far apart if they have the same slope and a large difference in their x or y intercepts.
Relief
You think prpbable to ionic bonds.
Contour lines that are far apart indicate a gentle slope. Because contour lines connect points with the same elevation, wide spacing indicates that the elevation is not changing drastically.
Each type of atom gives off a unique set of colors. The colored lines (or Spectral Lines ) are a kind of "signature" for the atoms
Each type of atom gives off a unique set of colors. The colored lines (or Spectral Lines ) are a kind of "signature" for the atoms
Lines that are very close indicate a steep change in altitude. Far apart means a slow or gradual change.
inactive
intersecting lines divergent lines convergent lines
Curved lines may be printed or drawn on any kind of map.