- Messages
- 3
- Reaction score
- 9
- Points
- 3
I have forgot and answered the exam with pencil but i then realized and wrote on the pencil with a pen is there any problem with that??
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I want to check the answer of the question in the first exercise : -Why the tubing was rinsed with water before carrying out the experiment?
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I want to check the answer of the question in the first exercise : -Why the tubing was rinsed with water before carrying out the experiment?