Which statement best describes redox behavior in an electrochemical cell? Electrons are produced at the copper rod.
Electrons flow from cathode to anode.
Reduction occurs at the zinc electrolyte.
Charges are balanced during redox.

The last one

Explanation:

Charges are balanced in a redox reaction

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

answer; i believe that the correct answer is (a) potassium(k)