An outbreak of a disease occurs, and a scientist at the Centers for Disease Control (CDC) is in charge of determining the cause.
She is studying the microorganism that is thought to be responsible for the disease. Which of the following would be the most
helpful to the scientist?
Pasteur's germ theory of disease
Koch's postulates
Redi's experiment
John Snow's map

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.