In 2003,scientists Announced the 1997 Discovery in an Ethiopian Valley

question 3

Multiple Choice

In 2003,scientists announced the 1997 discovery in an Ethiopian valley of three anatomically modern skulls-two adults and a child.Known collectively as the Herto skulls,they were dated by researchers to 154,000-160,000 B.P.All of the following clues suggested these skulls were in fact of anatomically modern humans,EXCEPT

• A)their long and broad midfaces.
• B)their tall and narrow sagittal crests.
• C)their high cranial vaults,falling within modern dimensions.
• D)their tall and narrow nasal bones.
• E)evidence of the skulls' cutting and handling,suggesting they had been detached from their bodies and used-perhaps ritually-after death.

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Definitions:

Consciousness

The state of being aware of and able to think about oneself, one's surroundings, and one's thoughts.

Protective Barriers

Measures or materials used to prevent the spread of infections or to protect against hazards.

Isolation

The practice of separating individuals who are ill or contagious to prevent the spread of infectious diseases.

Gown

A protective garment worn over clothing to prevent contamination or exposure to infectious materials, especially in healthcare settings.