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melisa1 [442]
3 years ago
11

HELPP

Biology
2 answers:
DIA [1.3K]3 years ago
5 0

actually it should be a <u>formation of bubbles</u> that identifies a chemical reaction.

larisa [96]3 years ago
3 0

Answer:

it's B

Explanation:

We can conclude that method of testing substances is a sure way to identify a chemical reaction formation of bubbles.

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