You see how much the scale is, let's say that it is 150 mm=300 miles. If it goes over, you can measure it with a ruler, or move with your hands, measuring it as well as possible and estimating. Hope this helps! :)
Answer:
their closer together while still the same form
Explanation:
they have moved closer together causing the land to collide more with the other side making the river smaller. It keeps the same shape just combined tighter.
