Sagot :
Answer:
lodestone
People have known for a long time that a certain type of rock, called lodestone, is a natural magnet. When scientists learned why that is, they also learned how to make other metals into magnets.
Answer:
lodestone
People have known for a long time that a certain type of rock, called lodestone, is a natural magnet. When scientists learned why that is, they also learned how to make other metals into magnets.