A nutrient dense current shoots up from the depths, and when it reaches shallow water, it creates an algae bloom that ignites the entire food chain. Source: Internet
In this moment, we must be the spark that ignites justice, but we cannot light a fire so hot that it consumes us as well. Source: Internet
Finely grated potassium ignites in air at room temperature. Source: Internet
His thumb ignites and he matter-of-factly lights his "pipe". Source: Internet
In air, it slowly oxidizes at room temperature and spontaneously ignites at 150 °C. Source: Internet
In cartridge-firing firearms, a hammer (or a firing pin struck by the hammer) strikes the cartridge primer, which then ignites the gunpowder within. Source: Internet