In robert frost’s poem “mending wall,” what does the speaker wish he could do?
a.) build a wall to mark where his property ends
b.) have both pine and apple trees on his property
c.) ignore his neighbor all of the time
d.) tear down the wall and get closer to his neighbor

c. explains words’ origins and variations.

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).