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
It increases because the higher you go in the food chain, the bigger the carnivores or consumers are.
A is the answer. This answer is also a question, and the answer to that question is 0.25
