English, 18.02.2021 20:40 arslonm777
Tooth enamel—the hardest substance in the human body—doesn't consist of living tissue, so it can't regenerate itself if it is damaged.
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English, 22.06.2019 05:20, titofigueroa777
Why did the author of "how to jump-start a car battery" choose to use this image?
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Tooth enamel—the hardest substance in the human body—doesn't consist of living tissue, so it can't r...
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