Biological aspects of development include

The numeral 0 on a properly adjusted weight scale (that is, a typical bathroom

scale) corresponds to the complete absence of weight. Similarly, the numeral 0 on an IQ scale corresponds to the complete absence of intelligence. (a) true (b) false

Combat soldiers, particularly in Iraq and Afghanistan, have been found to have high rates of PTSD. This is

because A) soldiers have higher rates of preexisting mental conditions than the general population. B) soldiers have personality traits that make them more at risk. C) combat situations involve many factors that create intense stress, including fear, loss of security and lack of sleep. D) combat situations expose soldiers to many physical substances linked to PTSD.