What source of thermal energy is the most common source of heat in combustion reactions?

Verbal cues seem to work because they:

A. Direct attention to relevant environmental context information and prompt a specific sequence of movements to be performed B. Influence performance in ways researchers have not yet determined C. Direct attention to relevant environmental context information D. Prompt a specific sequence of movements to be performed

The appropriate way to handle patients who smoke is to ________.

A. ask patients to wait until they are in the exam room to smoke B. post "Thank You for Not Smoking" signs in the reception area C. make sure the medical office is equipped with a good ventilating system D. provide a corner of the reception area just for smokers E. provide an adequate supply of ashtrays throughout the reception area