1. Introduction to Trees (5 points) For Ti shown below answer the following questions 1) Which vertex is the root? (2) Which vertices are internal? (3) Which vertices are leaves? (4) Which vertices are children of b? (5) Which vertex is the parent of h? 6) Which vertices are siblings of f? (7) Which vertices are ancestors of m? (8) Which vertices are descendants of d? (9) What is the height of the tree? T1 (10) List the vertices at level 2