_______________ introduced the concept of airway, breathing, and circulation (ABCs) in CPR in the 1950s

Which of the following statements regarding fire tactics for air-supported roofs is most accurate?

A) Ventilating air-supported roofs may result in loss of interior pressure. B) Air-supported roofs will adequately support the weight of several firefighters. C) Conventional fire tactics are as effective for air-supported roofs as they are for roofs with asphalt shingles. D) Computer-controlled air pressure will prevent any deflation when the doors are open for a prolonged period to attack a fire.

Select the word that is spelled correctly.?

A) ?clinicel B) ?clinicle C) ?clinicall D) ?clinical