The Mass Extinction at the End of the Cretaceous Period

question 60

Multiple Choice

The mass extinction at the end of the Cretaceous period was likely the result of:

• A) rising seawater.
• B) loss of vegetation.
• C) extreme predation.
• D) a dramatic change in climate.
• E) the appearance of new competitors.

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Definitions:

Housing Codes

Regulations and standards established by government authorities to ensure residential buildings meet safety, health, and quality requirements.

Settlement-House Workers

Individuals involved in social work and community service through settlement houses, which provided educational and social services to the poor in urban areas.

Jane Addams

A pioneering American social reformer and feminist known for founding Hull House in Chicago, which aimed to improve social conditions for the poor.

Food Safety

The handling, preparing, and storing of food in ways that prevent foodborne illness and contamination.