please answer the questions in the photo
Please answer these correctly.
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Explanation:
Potential energy, stored energy that depends upon the relative position of various parts of a system. A spring has more potential energy when it is compressed or stretched. A steel ball has more potential energy raised above the ground than it has after falling to Earth.
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In chemistry, an element is a pure substance consisting only of atoms that all have the same number of protons in their atomic nuclei . Unlike chemical compounds, chemical means .
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