Question

which of the following does not express time interval? a. a day
b.a second c. A school period d. Time of the first bell in school​

Answer 1

school period is the correct answer

Answer 2

Answer:

Time of the first Bell in the school

Reason-The time of the first bell in the school defines a particular instant of time. It is not a difference between two instants of time. Thus, it is not a time interval