A capacitor consists of two plates that each contain electric charges. How does the type and amount of charge on one plate compare with the type and amount of charge on the other plate?
a)They both have negative charges, but one plate has more charge.
b)They both have positive charges, but one plate has more charge.
c)They have equal positive charges.
d)They have equal and opposite charges.

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.

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explanation: