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

How do cells grow and reproduce to maintain homeostasis?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.