What Are Tears Made Of and Why Do They Happen? 17 Facts

Have you ever wondered what tears are made of? The answer might surprise you. And do crocodiles cry? We'll tell you some surprising facts about tears.
Have you ever wondered what tears are made of? The answer might surprise you. And do crocodiles cry? We'll tell you some surprising facts about tears.

What Are Tears Made Of and Why Do They Happen? 17 Facts

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Opinion Tears Teacher - The New York Times, tears

What Are Tears Made Of and Why Do They Happen? 17 Facts

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