Answer:
northern and southern sphere
Explanation:
The metals will start to rust lol. i think. because this messes up how the metals conduct the flow of the electricity.
I’m assuming we’re suppose to get some kind of graph but, Instantaneous speed is the speed that is happening right now. Like driving a car at 15k/h. The instantaneous speed of the car 15k/h. On the graph, at 5s. Wherever the line is, will tell you what the speed is.