Question: (a) Iteration is ? (never/seldom/usually/always) more efficient than recursion. (b) Iteration ? (never/seldom/usually/always) uses more space than a recursive solution to the same problem.

(a) Iteration is ? (never/seldom/usually/always) more efficient than recursion. (b) Iteration ? (never/seldom/usually/always) uses more space than a recursive solution to the same problem.

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