PART A)
magnetic field lines always originates from North pole and terminates at south pole
So here the two poles will attract each other and field lines are shown in the figure
Part B)
As we know that magnetic field lines originates from north pole and terminates at south pole so here upper end is north pole and lower end is south pole
Answer:
<h3>Uniform polarization of the heart membranes</h3>
Explanation:
Answer: (D) reflects red light only
Sorry but i dont know i was doing this for some point sorry