Fairly sure that would be secondary succession.
They all have different compositions of protons, neutrons, and electrons. This causes variety and makes atoms different so they can make up different substances
C- argon
This is because, an electrolyte is a solution that conducts electricity due to the presence of ions, and since argon is an atom and not an ion, it cannot conduct. Thus, it is a non-electrolyte
The first choice is correct
Its B, i had the same test
