____ are soft plastic solution containers which collapse as the solution is withdrawn, eliminating the need for venting, and create a closed system which helps to decrease the risk of outside contamination.

________ is a disease resulting from a cut or injury associated with contaminated soil, such as from a rusty farm implement

a. Flu b. Cancer c. Tetanus d. Arthritis

The fire command center:

A. senses products of combustion. B. serves as the connection point for power and fire alarm circuits. C. consolidates all fire protection system controls for a structure in one room. D. ensures the fire alarm system will operate if the primary power supply fails.