Which statement about oxidation and reduction in a voltaic cell is true? a. both oxidation and reduction occur at the anode. b. both oxidation and reduction occur at the cathode. c. oxidation occurs at the anode and reduction occurs at the cathode. d. oxidation occurs at the cathode and reduction occurs at the anode.

Describe the interaction that occurs between two objects with the same electrical charge.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

Which statement best describes the function of enzymes?