which does not express a time interval 1 a day 2 a second 3 a - Science - Motion and Measurement of Distances

Question

which does not express a time interval ?
1 a day
2 a second
3 a school period
4 time of first bell in the school

Aditi · Accepted Answer

4 Time of the first bell in the school does not express a time
interval

which does not express a time interval ?1. a day2. a second3. a school period4. time of first bell in the school