Answer:
Magnetic field lines can be drawn by moving a small compass from point to point around a magnet. At each point, draw a short line in the direction of the compass needle. Joining the points together reveals the path of the magnetic field lines.
Explanation:
In will most likely decrease its speed.
hope this helps.
A, Mechanical and A, Chemical.
so the 1st on is the one on the left, middle is right and the 3rd one is the right one