For Most of Human History,and in Developing Countries Today,the Major

question 96

Multiple Choice

For most of human history,and in developing countries today,the major source of energy has been

• A)natural gas.
• B)oil.
• C)wind.
• D)muscle power.

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Definitions:

Glaucoma

A group of eye conditions that can cause blindness by damaging the optic nerve, usually due to high pressure in the eye.

Liver Cirrhosis

A late stage of scarring (fibrosis) of the liver caused by many forms of liver diseases and conditions, such as hepatitis and chronic alcoholism.

African Americans

A racial or ethnic group in the United States with ancestry from any of the black racial groups of Africa.

Hearing Ability

The capability to perceive sound by detecting vibrations through the ear, varying widely among individuals in sensitivity and range.