Terminal-digit filing assigns ____________________ digits (or more) to create primary, secondary, and tertiary digits

Which item of information is tracked by a personnel accountability system?

a. Progress benchmarks b. Time spent in an IDLH atmosphere c. Each crew's assignment d. Chain of command

Substances produced by microorganisms that in low concentrations can inhibit or kill other microorganisms are known as which of the following?

A. Antibiotics B. Antivirals C. Reservoirs D. Bactericidals