Which term or phrase best describe what happens when​

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

The ph is the a.independent variable b.the dependent variable c.control group