What is a isochrone Line?1Isochrone line is drawn on a map to join places equal in terms of the time taken to reach them.2Isochrone line is drawn on a map to join places equal in terms of the cost required to reach them.3Isochrone line is drawn on a map to join places equal in terms of the distance to be covered to reach them.4Any of the aboveAnswer & explanation+Correct answer: option 1Isochrone line is drawn on a map to join places equal in terms of the time taken to reach them.
