Answer:
A. iron level of the blood
Explanation:
All of the other properties are physical properties that can be detected by vibrations picked up by the stethoscope. The chemical property, iron level, will not necessarily be detected by the stethoscope but may contribute to poor cardiac health.
Answer:A. iron level of the blood
b because its just b i told you its b
B. Organic Matter
Organic matter is what differentiate a mineral from a rock.
chromosome number.
