The _____ method traverses all of the child nodes of node where any adjacent text nodes are merged into a single text node.

_____ exchanges are run by a group of traditionally competing companies with common procurement needs.

Fill in the blank(s) with the appropriate word(s).

Repeat the Programming Project 7, but write the program as a JavaFX application. Use a constant for the initial velocity of the ball. Draw a circle for the position of the ball at each second. The y-coordinate should be proportional to the height of the ball, and the xcoordinate should change by a small constant amount.

This application shows a graphical representation of the previous project. If the time increment used is too large, the resulting picture may look chaotic and not at all like a trajectory.