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every living cell in your body is a miniature battery. Your ability to expend energy is very much dependent on the energy you have stored, and your cells’ ability to discharge it on demand. <span>A well functioning body will have a much greater ability to store and discharge energy. It will be able to work a lot longer before it becomes exhausted and before it needs to rest.</span>
The answer would be, B.
freezing of glaciers.
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I believe it's feeding relationships between different organisms
The meatpacking plants were mainly concerned about making money.