Suppose a binary tree contained the nodes W, X, Y, and Z. If Wand X were children of Y, and Z was a child of X, which node wouldbe the root?

w

x

y

x

none of the above

## Expert Answer

Answer to Suppose a binary tree contained the nodes W, X, Y, and Z. If W and X were children of Y, and Z was a child of X, which n…