Examlex
A concave mirror has a focal length of 20 cm. What is the position (in cm) of the resulting image if the image is inverted and four times smaller than the object?
Heroin
A potent opioid drug derived from morphine, often used illicitly for its euphoric effects.
Opium
A narcotic drug obtained from the sap of the opium poppy, used historically both as a painkiller and recreationally, and known for its potent addictive properties.
Depressants
A category of drugs that reduce neural activity and slow down the functions of the body, often used to induce calmness and sleep.
Central Nervous System
The part of the nervous system that consists of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.
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