Coroners, medical examiners, and forensic pathologists all .

work in cases of sudden-death investigation

have advanced educational requirements

are professions that began in twelfth-century England

work in cases involving dishonesty

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii