Measured as a Share of the Labor Force, Union Membership

question 189

Multiple Choice

Measured as a share of the labor force, union membership was at its highest level in the United States during the

• A) 1930s.
• B) 1950s.
• C) 1970s.
• D) 1990s.

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Definitions:

Mucus

A sticky, slimy substance produced by mucous membranes and glands designed to moisturize and protect certain parts of the body, such as the nose and throat.

Specimen Testing

The analysis of a sample of body tissue or fluid to diagnose or monitor health conditions.

Microscopic Examination

The analysis of small objects or structures that cannot be seen with the naked eye, using a microscope.

Epithelial Cells

Cells that line the surfaces of the body, such as skin, blood vessels, urinary tract, and organs, providing protection, absorption, and secretion functions.