Air service between the two areas is important because they share many cultural ties.

There are wide differences between areas within the same region.

In our degrees, students are required to work between different subject areas.

It is usually a saddle point between two higher areas.

There were encounters between different areas of the same person.

Inside, the differences between the living and working areas are subtle.

He wants to work in the gaps between different areas of human activity.

Between the two areas, hot items were prepared in a small, modern kitchen.

On a trip last winter, I divided my time between the two areas.

State the relationship between the areas under the curves you have drawn.