B, They are both made of protons, neurons, and electrons
Explanation:
Nitrogen and oxygen are both gases at normal warmth and pressure. They are more both elements. They both dissolve at a really cold temperature.
They're the principal components of Earth's atmosphere.
They're both diatomic gases.
They're both nonmetals.
They're both light elements.
Both of them are involved in the CNO cycle.
The type of muscle tissue that does not contain gap junction is SKELETAL MUSCLES.
Gap junction function by allowing the free diffusion of ions and small molecules between two cells. The number of gap junction between any two cells will vary and will depend on the type of cell they are.
I think I understand your question, but you question has so many errors in it that it doesn't really make sense.