Answer:
to divide food cans from soft-drink cans
Explanation:
An electromagnet is based on the principle that current through a coil produces magnetic field. Magnetic objects such as Iron, nickel, cobalt or objects made from their combination are attracted by the magnet. This property is used to separate materials in recycling plant.
Steel (alloy of iron) would be attracted by the magnet where as aluminium would not be. Thus, steel food cans can be separated from the aluminium soft-drink cans using an electromagnet.
False, they are inexhaustible. If we were to use the resource as much as possible, it would exhaust and not be able to be used again.
Its ok to use regular ear cleaner if your ear is filthy. I would recommend limiting the use of saline.
