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Katena32 [7]
3 years ago
5

Obi is trying to determine if a powdery, solid substance is an element or a compound. After recording some observations, he stro

ngly heats a sample of the solid over a burner flame. After fifteen minutes, he turns off the flame and allows the sample to cool. He records his final observations in the data table.
Medicine
2 answers:
aniked [119]3 years ago
8 0

Answer:

b

Explanation:

Snezhnost [94]3 years ago
7 0

Answer:

The answer is B

Explanation: I got it tight on edgunity 2020, I hope this helps :)

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