<prompt> Ni zipi kati ya zifuatazo ni mbinu za kukadiria umri kulingana na nusu-maisha ya isotopu ya mionzi na zinatumika hadi umri wa miamba?A. argonargon na potassium argon dating B. archaeomagnetic na radiocarbon dating C. luminescence dating na ptically stimulated luminescence D. X-ray fluorescence na paleomagnetic dating  <response>: <reason> A 