TEXTO EM INGLÊS 458

Child: Why is the sea salty? Scientist: Most of our planet’s surface is covered in salt water. But where does the salt come from? Well,

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TEXTO EM INGLÊS 457

Child: Why is the sky blue? Scientist: To understand why the sky is blue, we first need to understand a little about light. Although light

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TEXTO EM INGLÊS 455

The universe is vast and mysterious. It contains billions of galaxies, each with countless stars and planets. Scientists believe the universe began with the Big

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