What is the measure of 0 in radians

The outer banks of north carolina are barrier islands that are subject to seasonal hurricanes and flooding. houses constructed along the shoreline and beaches of the outer banks would be most similar to houses in which of the foloowing locations

How would i answer this for an exam?

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples