Which continents can easily trade by traveling the mediterranean sea?

Because of the housing bubble, many houses are now selling for much less than their selling price just two to three years ago. there is evidence that homeowners with virtually identical houses tend to ask for more if they paid more for the house. what fallacy are they making?

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

Why is mary salter ainsworth a central figure in psychology?