You design an air-entrainment system that mixes air with O2 at a fixed ratio of 1:7. Approxi-mately what O2 concentration will this device provide?

Neurons are the basic units of the nervous system

Indicate whether the statement is true or false

Which of the following statements regarding development of a code is MOST accurate?

A. Task force meetings must be closed to the public. B. Codes must be reviewed by legal staff before the final draft is completed. C. After the code is written, it is reviewed by the fire department and adopted as code. D. The final report must include a very specific group of fire and life safety code recommendations.