So sound travels 1 kilometer in roughly 3 seconds and 1 mile in roughly 5 seconds. When you see the flash of a lightning bolt, you can start counting seconds and then divide to see how far away the lightning struck.
Its .. Nervous tissues i think i still remember cause i had this question on an exam and i got it right lol ..
- But hoped i helped you out any .. if anymore help is need just ask me then .
The anwser is........................................ True
