Match each item in Column I with the most appropriate item in Column II. Write the letter (take only the best definition) for that item in the blank at the left. Column I (1) either a rational numbers or irrational numbers (2) either an integer or a non-integer (3) is either positive, negative, or zero (4) is either a natural number or zero (5) is a non-zero whole number Column II (a) A natural number (b) A rational number (c) A whole number (d) An integer (e) A real number