In one paragraph, using your own words, describe two types of potential energy. Then, describe two ways the gravitational potential energy of an object can be increased. Be sure to include proper spelling, grammar, and punctuation.

i believe the answer is a

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.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )