A researcher suspects that the food in an ecosystem has been contaminated with radioactive phosphates over a period of months. Which of the following substances could be examined for radioactive phosphate to test the hypothesis?
A) the amino acids within proteins produced by organisms living in the area
B) the starch produced by plants in the area
C) the DNA of the organisms in the area
D) All of the above are true.
Correct Answer:
Verified
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