Empirical Studies Suggest That

question 119

Multiple Choice

Empirical studies suggest that:

• A) labor productivity has declined throughout U.S.history.
• B) technological advances account for about 40 percent of U.S.productivity growth.
• C) the achieving of economies of scale is the most important factor in U.S.economic growth.
• D) all U.S.economic growth from between 2001 and 2007 can be attributed to increases in the quantity of labor.

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Definitions:

Epiphyseal Lines

The remnants of growth plates in long bones, indicating where bone lengthening occurred.

Articular Cartilage

The smooth, white tissue that covers the ends of bones where they come together to form joints, enabling smooth movement and absorbing shocks.

Epiphyseal Plate

A layer of hyaline cartilage where growth in length of the long bones occurs.

Zone of Proliferation

A region in growing bone where cartilage cells are produced and divide, contributing to bone lengthening.