4 Use the tree below to answer these questions. Identity each node by the letter t contains. Use only letters, no spaces, no commas, nothing else. 5. 0 Which is the Root node? Which nodes are in the subtree rooted in node Y? What is the Parent of node U? List the Child nodes of node A. What are the Sibling nodes of node Y? List the Internal Nodes of this tree List the External
OR
OR