A month after his return from Afganistan, Tony had disturbing memories of his combat experience as a soldier. He continues to have nightmares, flashbacks and is bothered by bright lights and loud noises. It is likely that Tony is suffering from

A) posttraumatic stress disorder
B) schizophrenia
C) generalized anxiety behaviour
D) panic disorder

Aresearcher is studying the science of attractiveness and asks volunteer test subjects to rank what trait they find most attractive in a person what type of variable is the dependent variable in this experiment

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?