1. What is the physical evidence: an element, a compound, or a mixture?
A liquid was obtained from a crime scene and was allowed to evaporate in a dish. After it evaporated, crystals were observed at the base of the dish.

The solution obtained as physical evidence is likely to have been a(n)

2. Which of the categories of evidence links an object to a crime scene?
A.
suspect object
B.
crime object
C.
latent fingerprints
D.
trace evidence

3. Suzie works in a forensic laboratory where she uses an infrared microscope. What does Suzie use this microscope for?
Suzie uses the microscope to measure _______ temperature. This temperature is measured relative to _________

class- forensic science