A low explosive is one that:

D. uses little or no oxygen.

Fires frequently do not consume all traces of flammable liquids involved.

A.
True
B.
False

A. True

Instead of collecting gas with a syringe, another method involves what?

A.
submerging the evidence in a special agent
B.
placing a strip of charcoal in the airtight container
C.
using a tiny vacuum
D.
placing a plastic bag over the container

C. using a tiny vacuum.

At the scene of a house explosion, there is not much evidence left to examine. However, during the investigation, the social media of the homeowner who was killed in the blast is reviewed. Three of the lasts posts from that day are about cooking various dishes. Based on that information, what should be investigated as a potential source of the explosion?

A.
a bomb from a rival cook
B.
a Molotov cocktail, since it also has a recipe
C.
a natural gas leak from the stove
D.
a meth lab gone bad

C. a natural gas leak from the stove.