The Sun is our greatest source of energy. Without its light and heat, life on Earth would not exist. for centuries, people have used the Sun's energy to heat their homes and cook meals. Today, we use the Sun's power, called solar power, to make electricity. Learn about the different ways we convert the Sun's energy to electricity and the exciting plans for solar power in the future.
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What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.
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