LILLY D. WILLIAMS

This page lists questions and answers that were posted by visitors named LILLY D. WILLIAMS.

Questions

The following questions were asked by visitors named LILLY D. WILLIAMS.

19. Which of the following base unit definitions was changed from being based on an arc of the earth to a time interval of light? second kilogram meter candela
13 years ago

Answers

The following answers were posted by visitors named LILLY D. WILLIAMS.