When a bullet is fired, does gunpowder only travels back towards the shooter

It seems that you have missed the necessary options for this question, but anyway the correct answer for this would be FALSE. It is not true that when a bullet is fired, gunpowder only travels back towards the shooter. Though gunpowder residue can remain on the shooter's hand for a few hours. Hope this answer helps.

Answerthe distance between the two ends of the galaxy is 150,000 light years;