Been stuck on this question for quite awhile. A detailed explanation will be much appreicated. Will give a like and thank you in advance.

Describe the tree below based on questions (a) to (h) : (a) Which node is the root? (1 marks) (b) Is it a binary tree? Explain why. ( 2 marks) (c) What are the internal nodes? (2 marks) (d) What is the degree of node f ? (2 marks) (e) How many ancestors does node g have? (2 marks)