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aalyn [17]
3 years ago
15

In each trial, you will add an indicator to the

Biology
2 answers:
emmainna [20.7K]3 years ago
8 0

Answer:

to match the mystery food sample to a definite

positive result (gelatin, oil, etc.)

to match the mystery food sample to a definite

negative result (water)

nydimaria [60]3 years ago
6 0

Answer:

it is b and C

Explanation:

jus did the .question  

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