Which Country Is the Source of "Black Tar" or Brown

question 4

Multiple Choice

Which country is the source of "black tar" or brown heroin that gained a foothold in the American drug market after the demise of the "French Connection"?​

• A)​Colombia
• B)​China
• C)​Mexico
• D)Afghanistan

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Definitions:

EEG

Electroencephalogram, a test that measures and records the electrical activity of the brain.

Meissner Corpuscles

Specific nerve terminations in the skin designed to respond to the sensation of light touch.

Mechanoreceptors

Sensory receptors in the skin and other body parts that respond to mechanical pressure or distortion, playing a key role in touch, pressure, and sound sensation.

Reticular Activating System

A network of neurons located in the brainstem that regulates arousal and consciousness.