- The Earth is spinning rapidly at 1000 miles per hour (measured on the equator). An alien watching from above, sees a monument on the equatorial line in Indonesia. During the spin, it appears to move 3720 miles. How long was he watching the monument?​

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.

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