If the disintegration constant is $6.93 \times 10^{-6} \ s^{-1}$,then the half-life of $_{6}C^{14}$ will be:
- A$10^{2} \ s$
- B$10^{3} \ s$
- C$10^{4} \ s$
- D$10^{5} \ s$
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