A single hair was found on the back of a couch. The evidence collector placed it in a paper bindle. He then inserted the paper bindle into a plastic evidence bag. Using tape, the evidence collector sealed the bag. After com-pleting the evidence log and the chain-of-custody form, he brought the evi-dence bag to the crime lab. What did he do incorrectly

Why are committees necessary in congress?

One of the great societal changes brought about by industrialization in europe was a. slavery. b. urbanization. c. ruralization. d. democracy.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period. the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided. a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs. an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.