Question

which evidence container is preferred for trace evidence like hairs and fibers? plastic bags pill bottles with lids paper envelopes metal boxes

Explanation:

Paper envelopes are preferred for trace evidence like hairs and fibers. Plastic bags can cause static electricity which may damage or contaminate the evidence. Pill bottles with lids and metal boxes are not as commonly used as paper envelopes for such trace evidence. Paper envelopes allow for proper air circulation and are less likely to cause issues with the evidence.

Answer:

Paper envelopes