In the process of electrolysis, current can flow through a liquid because a. water molecules become negatively charged. b. hydrogen is electrically neutralized in the solution. c. negative ions are attracted to the anode. d. cations of the electrolyte accumulate at the positive electrodes.

Individuals within populations exhibit some diversity. as a result of possessing slightly different traits, some individuals are better able to survive and reproduce than others. if these individuals changes in the characteristics of the population may occur over time. the cumulative change in these characteristics is known as