Magnetic field lines come from North pole and goes to south pole, as there are two north poles, they will be going from both the poles.
In short, Your Answer would be Option 4
Hope this helps!
Answer; g
Explanation: the human is a lot smaller than the train
Answer:hot air
Explanation:Hot air goes up, so when you put it in a hot air balloon fire is placed at the oppening to creat hot air and lift the balloon! :)