Respuesta :
Answer:
A. Magnetism
B. Spring
( I'm not so sure about the second answer, but I'm certain about the first one)
Explanation:
Answer:
Magnetism
Explanation:
Magnetism and gravity both work at a distance. They do not need to touch an object to make it move. A magnet can attract the opposite pole of another magnet, but repels the like pole of another magnet. So magnetism can both attract and repel some objects.