<prompt> Lightening flash can cause injury by all of the following, except -Direct effect of electric currentSuper heated airExpanded and repelled airCompressed air pushed in front of the current  <response>: Reff: The synopsis of forensic medicine Toxicology 28th editipn pg: 173 Direct effect from electrical discharge passing to the eah surface produces flash burns, mechanical effect due to force of displaced air and compression effect due to air movement in its return wave produces the changes. 