According to the danish psychologist edgar rubin (1921/2001), when there is an ambiguity of border ownership for images with black and white regions, the border between the two regions is perceived as belonging to:

Radiation was first detected by a ?

What conclusion can you draw about the connection between religion and feudalism? a. feudalism worked best in christian societies. b. feudalism could not operate in a society that was religious. c. feudalism was not successful in buddhist societies. d. feudalism could operate in societies with different religions.

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects