If you were asked to describe metals and magnetism you could say that
all metals are attracted to magnets because they are able to create their own magnetic field.
all metals are attracted by magnets; this is why we call metals ferromagnetic.
only some metals are attracted to magnets because they do not have a magnetic field.
only some metals are attracted by magnets; these metals are called ferromagnetic.

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.