at the north and south poles why are there almost no differences between the seasons? explain why this occurs.

There is no difference because both of them are at the poles of earth where sun's light and warmth doesn't reach that much which is why both the poles are very cold.

Explanation:

Because of how the Earth is tilted, the north and south pole will mostly have the same amount of light shining on it. I hope I'm right because it's been a while since I did this.

photocells convert light energy to electricity

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible