In the World Today

question 38

Multiple Choice

In the world today,

• A)coal is still the dominant fuel.
• B)coal has largely been replaced by natural gas for energy supplies.
• C)natural gas remains the dominant fuel in the United States.
• D)coal and oil are the primary energy supply in the United States.

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Definitions:

Forehead

The part of the face above the eyebrows and below the hairline.

Wrinkles

Lines, creases, or folds in the skin, often resulting from aging, sun damage, or facial expressions.

Isometric Strength

Subtle contractions in which the length of the muscle does not change; is maintained through adulthood.

Bone Density

The measurement of the amount of mineral matter per square centimeter of bones, used to assess strength and risk for osteoporosis.