What's the meaning of controversial​

Giving rise or likely to give rise to controversy or public disagreement.

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Controversial means something or someone that cause people to get upset or argue.  For example if someone says your opnion is controversial then it means that it might cause people to get upset and stuff.

Johnny's story is to inform, while the Crescent Bay Beach story is to persuade.

Explanation:

Johnny's story gives information to people who are reading the article, and people would want to know what happens in the story. Crescent Bay is wanting people to come out and clean the beach, so they are running a campaign to raise awareness and to persuade people to do their part.