as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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collect 5 facts about koalas
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1. koalas are marsupials and native to eastern australia. 
2. koalas sleep for up to 18 hours a day. 
3. koalas are pure herbivores, eating only eucalyptus leaves. 
4. koalas are highly social animals and live in families with a dominant male leader. 
5. koalas have a very keen sense of hearing.
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