5. What is responsible for the different beautiful colors presented during fireworks display?
a.The contents of the firecrackers are unknown for which design as it is.
b. The people put some coloring materials to make the display more colorful.
c. There is a certain program inside the firecrackers so it releases different colors.
d. The display of different colors is resulted from the arrangement of the electrons inside the atom.
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Answer:
It's D
The explosion of the firework produces gases, and their electrons are excited. ... As they return to their ground state, they emit colored light according to the chemicals used