Everything needs energy to do work or cause change. Most energy on Earth comes from the sun. There are two types of energy. Kinetic energy is the energy of motion. Potential energy is stored energy. Objects can have potential energy because of their position or condition. Energy can change from one form to another.
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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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