PLESE HELP End OT Semester Test: Health Science 2B
11

In determining the length of time radioactive waste should be stored before disposal in normal waste, the isotope's half-life is considered. What
Is a half-life?

ОА
the time interval for a radioactive material to double in size

OB.
the time interval for a radioactive material to decay its radioactivity by half
the amount of time it takes for a radioactive material to reduce in size by half

OD. the amount of time one's life is reduced if exposed to a radioactive material

OE.
the time interval for a radioactive material to delay its radioactive exposure by half