Individuals suffering from somatization disorder are often difficult to diagnose if they also have another mental disorder because .

A. it is rare for both disorders to display symptoms at the same time
B. individuals with a mental disorder will often falsify other symptoms
C. the symptoms are difficult to differentiate, depending on the mental disorder
D. many mental and somatoform disorders are impossible to diagnose

The answer is C. ( I got it right)

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.