A technique in which an X-ray photography unit rotates around a patient, moving from the top of the head to the bottom, creating a series of images that are combined by a computer to produce pictures of the inner regions of the brain is called ______

Holding a heavy rather than a light clipboard leads people to perceive job candidates as more important. This best illustrates

A) Weber's law B) telekinesis C) embodied cognition D) the McGurk effect

Since natural selection can only act on characteristics that already exist,

__________ provides the raw material on which natural selection can act. a. retention b. extension c. fixation d. generation e. variation