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What do you do with aluminum cans? Do you throw them in the trash, or do you recycle when you are finished with them? At the rate we are filling our landfills, we will not have anywhere else to put our trash. If you recycle, you will help the environment. The next time you throw away your Coke can, think about putting it in a recycling bin. Your effort will help save your community. The author's purpose is to
a. entertain.
b. persuade.
c. inform.
d. create a mysterious mood.
What is b - persuade?