Colleen replicates an X-ray machine by covering an open shoebox with a screen and positioning a square cardboard piece in the center. She uses sand to simulate X-ray radiation, sprinkling it over the screen. Upon removing the screen, she observes an outline of the square cardboard. What does the cardboard symbolize in her simulation?(1 point)Responsesthe person being scanned with X-raysthe person being scanned with X-raysthe veins that look white in an X-raythe veins that look white in an X-raythe areas that remain black on the X-raythe areas that remain black on the X-raythe bones that look white in an X-raythe bones that look white in an X-ray
