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Which climate shortens battery life most?

  • A.A humid climate, in which the moisture causes corrosion of the terminals and therefore a high resistance connection
  • B.A hot climate
  • C.A cold climate, in which the reduced capacity and the increased cranking demand together destroy the battery
  • D.A temperate climate

Answer: B

Heat accelerates grid corrosion and water loss, so batteries in hot regions last half as long as those in temperate ones. Cold reveals a weak battery but does not age it, which makes the second option describe a symptom rather than a cause. A symptom that appears under one condition and not another is what narrows the diagnosis quickly. Working the distinction through on a single concrete case fixes it more firmly than any rule of thumb.

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