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student2180

a student lights a candle in a beaksr. then he covers the beaker with a cardboard . the candle stops burning after a while.

a. written down three components that are necessary for the candle to start burning.<br />
b.why does the candle stop burning after a while ?<br />
c. based on thr answer in b, suggest one fire-fighting equipment that works by the same principal.

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解答 0

  • tutor_fran
    2018-10-14 13:28:04
    a) heat, fuel, oxidizing agent( oxygen)
    b) because no more oxygen in the beaker.
    c) co2 fire extinguisher
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