There are many forms of energy. Energy can change from one form to another. This change often produces heat. Nonrenewable energy sources, such as fossil fuels, cannot be replaced. Energy from the sun, water, wind, and biomass are renewable. Energy is never lost. However, it is important that people find ways to conserve energy.
Available format(s):
Classic Audio
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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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