(a) Answer these questions about the rooted tree based on the Figure 1 below: a b C d h k m n p S t U Figure 1Which vertex is the root? ii) Which vertices are internal? Which vertices are leaves? iv ) Which vertices are children of j? V) Which vertex is the parent of h? vil Which vertices are siblings of o? vii) Which vertices are ancestors of m? vili) Which vertices are descendants of b