__ is the area of dark created when an object blocks light. a. Shadow c. Sfumato b. Shade d. Depth

The correct answer is a. Shadow.<br /><br />A shadow is the area of darkness created when an object blocks light. It is formed when light is obstructed by an object, resulting in a region where light cannot reach. Shadows can vary in shape and size depending on the position of the light source and the object casting the shadow.