Question

unit 2: searching and documenting the crime scene. blood evidence must be collected in a paper bag because: the chemicals in the plastic bags can contaminate body fluid samples; paper allows the fluid to dry, preventing bacteria from destroying the evidence; enzymes found in bodily fluids can break down plastic bags; light can pass through clear plastic, which can damage dna but paper blocks light.

Explanation:

Paper bags are used for collecting blood evidence because they allow the fluid to dry. This drying process helps prevent bacteria growth which could destroy the evidence. Plastic bags can retain moisture and create an environment conducive to bacterial activity that may degrade the evidence.

Answer:

paper allows the fluid to dry, preventing bacteria from destroying the evidence