2.3

Question 1

Depth first disadvantages

Answer 1

Depth first isn’t guaranteed to find the quickest solution (1) and possibly may never find the solution (1) if we don’t take precautions not to revisit previously visited states (1)

Question 2

Depth first advantages

Answer 2

Depth first requires less memory than breadth first search (1). It is quicker if you are looking at deep parts of the tree (1).