The device shown operates based on a capacitive touch screen. this means that it utilizes an electric current to operate. why will it operate with your finger but not a piece of plastic? a) your finger is a conductor but the plastic is not. b) your finger applies heat but the plastic does not. c) you can apply more pressure with your finger than with the plastic. d) the ridges of your fingerprints provide more surface area than the plastic.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

What are transitions between a liquid and gas called? identify which way they are transitioning

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.