3. Smoke given off by the factories threatened the survival of the light gray peppered moths. What evidence from the text best supports this conclusion? A. Soot is a black substance that collects on a surface that comes into contact with smoke. B. When coal burns, it gives off a lot of dark-colored smoke. C. Predators could see the light gray peppered moths on the black trees covered by soot and easily hunt them down. D. The trees began to blacken with soot because of all of the smoke in the air from the factories.