The Burning Issue of Wildfires

There's an old saying: "you can't start a fire without a spark." But really, you need more than a spark. You need fuel and oxygen, too. In fact, you need fuel and oxygen, in addition to heat, to get even a spark.

Just be careful where you make your sparks, because a raging wildfire can consume dozens of lives, thousands of homes, and hundreds of thousands of acres, including whole towns. Huge blazes have charred areas the size of Rhode Island and greater Rome. They're a burning issue. So let's look at how they work.

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