If I drop 4 of the balls on Newton’s cradle, how many on the other side will move?

In which of these cases are the two wave points considered to be in phase with each other?

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.

Which activity is an innate behavior