Answer:
not sure if this helps but. Concept development is a set of activities that are carried out early in the systems engineering life cycle to collect and prioritize operational needs and challenges, develop alternative concepts to meet the needs, and select a preferred one as the basis for subsequent system or capability development
Answer:
edit sorry, didnt read the post properly
B
Explanation:
The statement which is most likely to be accurate is letter C. Ventilations are more effective when two rescuers operate the BVM.