Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

what are the statements? x

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

i think the answer would be reserve.