History of question #105422
| When | Who | Action | New State |
|---|---|---|---|
| cdiaz | Answer | Answered | |
| profe de química | Comment | Answered | |
| profe de química | Confirm | Solved | |
| Antonio Sánchez | Comment | Solved | |
| profe de química | Comment | Solved | |
| jmrvalcala | Comment | Solved |
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