What Is the Locard Exchange Principle

question 47

Multiple Choice

What is the Locard Exchange Principle?

• A) It takes at least two people to commit a crime.
• B) Every contact leaves a trace.
• C) Forensic scientists must share data to solve a crime.
• D) Some evidence will be lost when transferring it from the scene to the lab.

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Definitions:

Selenium (Se)

A nonmetal element with atomic number 34, vital in small amounts for cellular function in many organisms, and utilized in various industrial applications.

Alkane

Hydrocarbons with the general formula CnH2n+2, consisting only of single bonds and saturated with hydrogen.

Carbon Bonds

Refers to the covalent bonding between carbon atoms or between carbon and other atoms, forming a variety of organic and inorganic compounds.

Carbon Bonds

The chemical bonds between carbon atoms or between carbon and other atoms which constitute the backbone of organic compounds.