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_____ evidence taken from a victim or suspect detects long-term exposure to drugs and poisons.

Drugs categorized as illicit _____.

Cyanide is _____.

An example of qualitative data documented at a crime scene is _____.

By 1775, the ____ were the largest non-English ethnic group in colonial America.

During Step 4 of the seven S’s of crime scene investigation, two fixed reference points are used for _____.

Knowing the shoe size of a bloody footprint tells us that someone with that shoe size was at the scene, allowing us to exclude persons with other shoe sizes, which is an example of _____.

Locate a permanent, fixed point of reference, called a _____, when creating a collection site.

In an experiment to test the effectiveness of a new drug, what would the control group most likely receive?

Which of the following best describes an independent variable in an experiment?