Answer:
The power supply is kept on to charge the UPS.
Explanation:
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USB is the answer to your question
Answer:In the mid-1800's there were only 64 known elements. Scientists then came up with the idea that they could arrange the element by the atomic mass number. Every element has its own unique atomic mass number because elements have different numbers of protons and neutrons.
Explanation:
It would look much neater
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The answer is C. adjust the zoom slider
