Dragonflies That Ranged in Size from Those Smaller Than Today's

question 73

Multiple Choice

Dragonflies that ranged in size from those smaller than today's dragonflies to some with wingspans of 75 centimeters (2.5 feet) appeared during the:

• A) Cambrian period.
• B) Ordovician period.
• C) Silurian period.
• D) Devonian period.
• E) Carboniferous period.

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Definitions:

Lives Saved

The number of individuals whose lives are preserved or prolonged through medical interventions, safety measures, or other actions.

Life Saving Organs

Vital organs that can be transplanted to save individuals' lives, such as hearts, livers, and kidneys.

U.S. Department of Health and Human Services

A federal agency tasked with protecting the health of all Americans and providing essential human services.

Self-Deliverance

A rational and voluntary act of taking one’s life; an alternative to the terms suicide and mercy killing.