At the Turn of the 20^th Century, About 50% of US

question 26

Multiple Choice

At the turn of the 20^th century, about 50% of US workers worked in either the agricultural or the domestic service spheres. Approximately 100 years later that percentage had decreased to which of the following figures?

• A) 4%
• B) 10%
• C) 16%
• D) 22%
• E) 35%

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Definitions:

Longitudinal Fissure

The deep groove that separates the two hemispheres of the brain.

Central Fissure

A deep groove in the brain's cortex that separates the frontal lobe from the parietal lobe.

Frontal Lobes

Regions of the brain involved in decision making, problem solving, control of purposeful behaviors, consciousness, and emotions.

Temporal Lobes

Part of the cerebral cortex involved in processing auditory information and is critical for the understanding of language and the formation of memories.