It is a process from qualitative to quantitative change. Once the temperature of the spark reaches the ignition point of the surrounding weeds or leaves, the spark gradually turns into a prairie fire, and then the trees are burned. won't be like that. The most effective are generally sparks with a certain hold, such as cigarette butts.
Why can trees, papers, etc., which are difficult to light with lighters and matches, be ignited by a
2024-09-02 01:26:02
Introduction Why can trees, papers, etc., which are difficult to light with lighters and matches, be ignited by a small heart of fire floating above them? It is a process from qualitative to quantitative change. The temperature of Mars.
