Prior to flashover, smoke gases that have lower ignition temperatures may start to ignite intermittently within the lower thermal layer.

Certain infections are called _____________________ because they are especially contagious, harmful, or have no effective treatment

a. notifiable diseases c. vectors b. communicable diseases d. fomites

Very deep burns are often less painful than those involving only the outer layers of the skin

a. True b. False Indicate whether the statement is true or false