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Question
What is the primary difference between primary and secondary cell batteries?
Options:
A .  Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
B .  Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
C .  Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
D .  None of these
E .  Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged
Answer: Option E

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