When is "national dog day"?

Which of the following has the same meaning as symmetrya. a balance between two or more things b. a difference between 2 or more things c. facial features d . a measurement how can artists measure the width of the human face to use drawing for correct proportionsa. figure that the width of the head is approximately three eyes widths b figure that the width of the head of the 4 eye widthsc. approximately 5 eye widths d 6 eye widths