What do the f... Question. What do the following abbreviations stand for? 1- O. 2- 2O. 3-O2. 4-3O2. Open in App. Solution. 1. O stands for one oxygen atom. 2.
Oxygen is an element displayed by the symbol O, and atomic number 8. It is an essential element for human survival. Decreased oxygen levels may be treated with...
The quality of the machine is very good, exactly as described by the seller. Logistics company service is very good, fast delivery, very satisfied with a purchase.
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