supports combustion physical or chemical

Did you know that without the right ingredients, fire can’t burn? That’s right! Fire needs three main things to happen: fuel, heat, and oxygen. This is called the fire triangle. When you have all three, you get combustion, which is just a fancy word for burning. Fire has been around for a very long time. Early humans learned to make fire about a million years ago! They used it … [Read more...] about supports combustion physical or chemical