Consider the following tree diagram: 
Which of the following nodes are parent nodes?
A) C
B) C and R
C) R and D
D) C, R, and D
Correct Answer:
Verified
Q1: Consider the following tree diagram: 
Q2: Consider the following tree diagram:
Q4: Consider the following tree diagram:
Q5: Consider the following tree diagram:
Q6: Consider the following tree diagram:
Q7: As implemented in the textbook, a tree
Q8: Consider the following tree diagram:
Q9: Consider the following tree diagram:
Q10: Given the Node class discussed in section
Q11: Consider the following tree diagram:
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