I need correct answers, I’m submitting it today. Thanks

Today, currency is a mixture of coins and paper money. But it wasn't always that way. People used a lot of unusual things for money before they had metal coins and paper bills (don't start a sentence with before). For example, in one part of the world, people used (get rid of a ) sharks' teeth for money. In some places, brightly colored feathers and rare seashells were money. People in one area even used the hair from elephants' tails for money.

caliban is prospero's slave in the shakespear's play "the tempest"

i guess you are missing the idea that has to be supported, am i right?