chero97 chero97

24-01-2019
English

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You are heating a substance in a test tube .always point the open end of the tube

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imsmartbutneedhelp78 imsmartbutneedhelp78

24-01-2019

no yes maybe dont point it to your face wear glasses

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mmonteneg0007 mmonteneg0007

11-07-2020

Answer:

id say point it upwards or check the instructions before starting the experiment

Explanation:

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