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Which sense organ contains the olfactory receptors responsible for detecting smells?
Which phenomenon causes a needle to deflect when placed near a current-carrying wire?
Which common substance has the chemical formula H2O2?
Which gas is used to fill incandescent light bulb to prevent the filament from burning?
Which layer of the skin provides insulation and stores energy as fat?
Which everyday item uses the principle of total internal reflection to transmit data as light signals?
Which everyday process converts mechanical energy into electrical energy in a bicycle dynamo?
Which everyday process is used when a doctor listens to heartbeats through a stethoscope?
Which organ produces the hormone adrenaline that prepares the body for fight or flight response?
Which vitamin is produced when ultraviolet light acts on cholesterol in the skin?