The best answer I could find was when you Google it, that the fuse is of poor quality. I cannot leave you a link, but you can find it for yourself. Put in poor quality fireworks and all sorts of things will pop up. No pun intended.
Answer:
Solid particles are close together not gas particles
Answer
im not quite sure but I think the answer is <em>D atom</em><em> </em>
Explaination
Need the answer to this question