The answer is 30 to 80 percent its in google
It lights up the area its in and can start a fire
I'm not exactly sure of your question but here's what i think your asking, Darwin and scientists today have discovered that the ancient organisms whose remains they find look like organisms alive today because they are the living organisms' ancestors or evolved from a common ancestor. They provide valuable information about evolution and how life formed
D. Hope this helps give branlist
