Letter C would be the correct answer
Answer:
I think the answer is A - they used X-ray analysis.
Explanation:
It is false because electrons have no mass.
Answer:
Screening for the presence of drugs in serum and urine using different separation modes of capillary electrophoresis. The most common mode is capillary zone electrophoresis (CZE), in which charged analytes migrate in a buffer under the influence of an electric field.
Explanation:
Glass is not a living organism, so it is <u>abiotic</u>.
