Altruistic behaviors are defined as the self-effacing acts that put the well-being of others before yourself and not expecting something
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Everyone has a little having fear. It protects us; For example, by stopping us from running out into the street,
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The coronavirus, or Covid-19, is a very harmful virus with a high range of deaths around the world that continues
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COVID-19 is a respiratory illness caused by a new type of coronavirus. But what is the respiratory system, and how
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