Statistics Cited in the Text Suggest That the Number of Cohabiting

question 15

Multiple Choice

Statistics cited in the text suggest that the number of cohabiting couples in the U. S. is ______ the number of such couples in 1970.

• A) slightly less than
• B) about the same number as
• C) about twice as many as
• D) about 15 times greater than

---

Definitions:

Neurofibrillary Tangles

Aggregates of hyperphosphorylated tau protein found in neurons, associated with Alzheimer's disease and other neurodegenerative conditions.

Twisted Protein Fibers

Abnormally shaped protein strands that can accumulate in cells, often associated with neurodegenerative diseases such as Alzheimer's.

Alzheimer's Disease

A progressive neurodegenerative disease characterized by memory loss, cognitive impairment, and functional decline.

Hippocampus

A major component of the brain, vital for memory formation and spatial navigation, located within the temporal lobe.