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27-09-2022
Chemistry

Answered

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12. Using the same senario: Tracy had seen her teacher perform the
demonstration many times. The materials for the demonstration were lying
on the teacher's table. Tracy tied her long hair back and used the materials
to perform the demonstration on her own. What was two mistakes Tracy
made?
A. Tracy performed the demonstration without permission.
B. Tracy touched the materials lying on the teacher's table.
C. Tracy tied her hair back
D. None of the above

Answer :

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