How Many Categories of Pure Substances Exist

question 51

Multiple Choice

How many categories of pure substances exist?

• A) 2
• B) 3
• C) thousands
• D) about 100

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Definitions:

Vitamin Exposure

The degree to which an individual gets vitamins from their diet or supplements, impacting health and bodily functions.

Allergy Injections

Medical treatments involving injections to reduce sensitivity to allergens, also known as immunotherapy.

Homeopathy

An alternative medicine system based on the principle that 'like cures like', utilizing highly diluted substances for treatment.

Colonic Resection

A surgical procedure to remove part or all of the colon, often performed to treat or prevent diseases and conditions affecting the colon.