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Відповідь: 1) 1. This is not a fiction

2. Some studies show, that there are some fish that evolved to swim in schools, in order to protect themselves from preditors, and to find food more easily.

2) 1. This is a fiction

2. Every lion can roar, unless they are really sick. A lion would not hide if he was sad.

3) 1. This is a fiction

2. People stopped believing in this story after 20th century. It was a popular story at first, maybe because his teeth looked stained.