Yes. Half life or better known as Radioactive decay is measured in TIME. Such as seconds, minutes, hours, days, years ect...
:) hope that helps you some, best of luck!
C- Section, also known as a caesarean section.
Vitamin <span>a class of diverse organic substances that occur in many foods in small amounts and are necessary in trace amounts for the normal metabolic functioning of the body</span>
Mice that are injected with the living R strain survive.