Why is the girl standing up her hair has the same charge as the heat her hair is tranferring charges to the hat the hat and strands of hair have opposite charges or the strands of hair are transferring charges to each other

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