Shutter: This allows light to pass through for a determined period of time.
ISO: This measures the sensitivity of your sensor.
Aperture: Controls the amount of light reaching your camera's sensor.
Musical instruments of different types playing the same note may often be identified by the timbre of their sounds. Timbre is tone color, or tone quality which distinguishes different types of sound production.
Xenophobia is a stress disease in which encountering immigrants or foreigners causes excessive resistance of fear.
The answer is A. The painting is “The Night Watch”, I suppose. It is because of the lighting that the painting is more dramatic, since it highlights people and creates suspense.