Which statement would be found in the opening paragraph of an essay?

constantly changes their schedule.

always on phone a lot more than normal.

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).

the most appropriate strategy would be to do a questions and answer type speech.

argumentative i feel like this best match it but it could judgmental to