Why does an aerial firework require two explosions of black powder?

Question

Why does an aerial firework require two explosions of black powder?

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Trung Dũng 4 years 2021-09-01T16:06:54+00:00 2 Answers 8 views 0

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  1. ngocdiep
    0
    2021-09-01T16:08:29+00:00
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    Answer:  Because one is when it hit the ground but its called an impact the the it explode

    Explanation:Hope it wil help

  2. Edana
    0
    2021-09-01T16:08:31+00:00
    Reply

    Answer:

    ‘,lkgh

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )