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What Structural Unit Is Characteristic of Quartz and Most Silicates

question 54

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What structural unit is characteristic of quartz and most silicates?


Definitions:

External Sphincter

A circular muscle that helps control the expulsion of feces or urine from the body.

Thrombosed Hemorrhoid

A hemorrhoid in which a blood clot forms, causing pain, swelling, and often requiring medical intervention.

Rectal Prolapse

A medical condition where the rectum protrudes through the anus, either partially or completely.

Anal Fistula

An abnormal, inflamed tunnel between the end of the bowel and the skin near the anus, often resulting from an infection in an anal gland.

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