Select all of the following true statements: (a) Depth-First Search can find the optimal solution if the step cost is 1. (b) Breadth-First Search uses linear memory space. (c) Uniform Cost Search can...

Select all of the following true statements:

(a) Depth-First Search can find the optimal solution if the step cost is 1.

(b) Breadth-First Search uses linear memory space.

(c) Uniform Cost Search can find the optimal solution if the step cost is 1.

(d) Depth-First Search with tree search uses linear memory space.

(e) Breadth-First Search can find the optimal solution if the step cost is 1.

(f) Uniform Cost Search uses linear memory space.