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
D) the earthworm measurement is accurate because moore subtracted the beginning and ending points from the ruler
The reaction of a particular endothermic reaction whether in a negative or positive entropy change is always spontaneous. Temperature differences will be spontaneous throughout the reaction but one thing is constant, heat will always be produced within the said reaction.