Radiocarbon dating a. works only on organic material. b. depends on a half life of 5,730 years. c. is accurate to 70,000 years. d. all of the above. Please select the best answer from the choices provided A B C D PLEASE HELP

Correct answer choice is:

C. A stopwatch

Explanation:

The best a decent eye will do is fix a reading to one tenth of a second, that is so the design of the stopwatch. The digital stopwatch has 2 digits on the far side the seconds, thus it further separates the time in hundredths of a second. Since it's simple to scan to hundredth of a second, that's its design.