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...
Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!