Looking at Figure 2, why are the values along the diagonal of the table zeroes? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an a Because the distance from, say, Atlanta to Atlanta is zero miles. b Because symmetry is beautiful. c Because the authors are confused. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline & Atlanta & Chicaso & Denver & Houston & \begin{tabular}{l} Los \\ Angeles \end{tabular} & Miami & New York & \begin{tabular}{l} San \\ Francisco \end{tabular} & Seattle & \begin{tabular}{l} Washingto \\ D, D.C. \end{tabular} \\ \hline Atlanta & 0 & 587 & 1212 & 701 & 1936 & 604 & 748 & 2139 & 2182 & 543 \\ \hline Chicago & 587 & 0 & 920 & 940 & 1745 & 1188 & 713 & 1858 & 1737 & 597 \\ \hline Denver & 1212 & 920 & 0 & 879 & 831 & 1726 & 1631 & 949 & 1021 & 1494 \\ \hline Houston & 701 & 940 & 879 & 0 & 1374 & 968 & 1420 & 1645 & 1891 & 1220 \\ \hline Los Angeles & 1936 & 1745 & 831 & 1374 & 0 & 2339 & 2451 & 347 & 959 & 2300 \\ \hline Miami & 604 & 1188 & 1726 & 968 & 2339 & 0 & 1092 & 2594 & 2734 & 923 \\ \hline New York & 748 & 713 & 1631 & 1420 & 2451 & 1092 & 0 & 2594 & 2734 & 923 \\ \hline San Francisco & 2139 & 1858 & 949 & 1645 & 347 & 2594 & 2594 & 0 & 678 & 2442 \\ \hline Seattle & 2182 & 1737 & 1021 & 1891 & 959 & 2734 & 2734 & 678 & 0 & 2329 \\ \hline Washington, D.C. & 543 & 597 & 1494 & 1220 & 2300 & 923 & 923 & 2442 & 2329 & 9 \\ \hline \end{tabular} Figure 2: Flying distance between some U.S. cities