What positions are connected by contour lines on a weather chart?

Question

ATPL - Airline Transport Pilot license - Meteorology - What positions are connected by contour lines on a weather chart?

QuizVDS · Accepted Answer

Positions with the same height in a chart of constant pressure.

QuizVDS · Answer

Positions with the same air density.

QuizVDS · Answer

Positions with the same thickness between two constant pressure levels.

QuizVDS · Answer

Positions with the same wind velocity.

ATPL: What positions are connected by contour lines on a weather chart?