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    • Rights: © Copyright. University of Waikato. All Rights Reserved. Published 29 April 2014 Size: 140 KB Referencing Hub media

    The main steps in the production of a lightning bolt are shown. A stepped leader grows down from the cloud until it contacts a leader moving up from the ground. A return stroke is then generated.

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      Lightning explained

      Lightning is a large-scale natural spark discharge that occurs within the atmosphere or between the atmosphere and the Earth’s surface. On discharge, a highly electrically conductive plasma ...

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