If we assume that the two electrodes in this experiment each have a static (non-changing) net charge on them, how could you use your plot of equipotential surfaces to determine which electrode is more positively charged

not really sure but thinking 1.54 mm/us

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

technology is the application of the knowledge gained by science.