Question

multiple choice question which term refers to the time required for 50% of a radioactive element to be cleared from the body? physical half - life mutagenic half - life ionizing half - life biological half - life

Explanation:

Physical half - life is the time for half of a radioactive substance to decay without considering biological processes. Mutagenic half - life and ionizing half - life are not standard terms for this concept. Biological half - life is the time required for 50% of a radioactive element to be cleared from the body through biological processes like metabolism and excretion.

Answer:

D. Biological half - life