A researcher is interested in public displays of affection, so she visits three research sites and observes couples, taking note of any sign of affection but not asking them any questions. What role has she taken in the field

when your a dog and you need a bone.   go and eat a rabbit

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.