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How much electrical charge is needed to raise an isolated metal sphere of radius 1.0 m to a potential of 1.0 *106 V?
Melatonin
A hormone produced by the pineal gland that regulates sleep and wakefulness.
Hormone
A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.
Attacked
To be aggressively targeted or assaulted, either physically, verbally, or through other means.
Sleep
A natural, recurring state of rest for the mind and body, characterized by altered consciousness and reduced sensory activity.
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