I keep getting 6.89 which is none of the answer choices

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.

no simpler subs form complex ones. synthesise = make

c) up is the direction the magnetic force is acting on the charge.