<prompt> Tattoing in entry wound of a firearm injury is due to-BurningSmokeGun powderWads  <response>: Ans. is c i.e., Gun powder AssociateInjury causedRange1. FlameBuring Singeing of hair Buringmeltingironing of clothesShot gun -15 cm Rifled weapon - 8 cm2. HeatScrotching of skinShot gun -15 cm Rifled weapon - 8 cm3. Smoke and carbon particlesBlackeing Smoke deposition Smudgingfouling30 cm4. Gun powder unburnt and partly burntTattooing stipplingpepping60 - 90 cm5. Wads in shotgunAbrasioncontusion5 yards 