C-03-Q074mediumsingle_mcqThe mass of the earth is approximately—a5.98×10245.98\times10^{24}5.98×1024 kgb9.8×10249.8\times10^{24}9.8×1024 kgc6.37×1066.37\times10^{6}6.37×106 kgd6.67×10−116.67\times10^{-11}6.67×10−11 kg