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Andrej [43]
3 years ago
15

When is it more appropriate to use presumptive tests in a crime investigation?

Biology
1 answer:
Debora [2.8K]3 years ago
8 0
A presumptive Test presumes the pet presence of the question substance it is useful because it tells the drug is used false positive is possible meaning that the test result is positive but the substance is not present.
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