Have a wonderful day :) thanks for the points
I would go with the cell membrane In this case as the cell membrane is like skin
- Hope you can brainlest this answer
It’s classified as a polymerization reaction
I would say Na. Oxygen has 2 valence electrons and when reacting with other molecules, the ones with the fullest or emptiest shells will react the least. Both H2 and Na are in the Alkali Metals in the first row, but since H2 has 2 molecules, it would use more oxygen than Ana