Which of these is an element of the chain of custody? A. A list of all people who had possession of the evidence
B. A barrier that keeps unauthorized people from the crime scene
C. A list of people who are on the crime scene
D. A document that identifies the crime that the evidence came from

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.