Multiple choice

For Combustion or "the triangle of fire" we need...

  1. Oxygen, Fire and Wood

  2. Heat, Oxygen and Fuel

  3. Fire, Fuel and Air

  4. Heat, Fuel and Fire
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The fire triangle represents the three ingredients needed for combustion: fuel, an oxidizing agent (usually oxygen), and heat (to reach activation energy).

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