Maria took a walk to the store. during maria's trip, when was her displacement equal to zero ?

Displacement is different from distance in a sense that distance takes into account all the points moved by an object while displacement is the shortest way between the initial and final position. In this case, the displacement of Maria would be equal to zero if she return back home.

the area between the graph and the t axis

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right