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A wire is 1.50 m long and has a diameter of 1.50 mm. The elastic modulus of the wire is 6.20 × 1010 N/m2. If a force of 400 N is applied to end of the wire, then the increase in length of the wire is
Biological Clock
A mechanism present in organisms that enables them to regulate their bodily rhythms and behaviors in sync with the day-night cycle.
Melatonin
A hormone produced by the pineal gland in the brain, involved in regulating sleep-wake cycles.
Sleeping Pill
A medication used to induce or maintain sleep.
Depressant
A category of drugs that reduce neural activity and slow down the functions of the brain and body.
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