Is there a picture for this?
Answer:
Either (1.) Fossils or (2) Radiometric dating.
Explanation:
Fossils are an obvious answer to this, but radiometric dating is the method most scientists use to find the age of rocks. Radioactive isotopes break down predictably, so the farther along this process is, the older the rock is.
Water, gravity, and light.
Natural selection got rid of the light colored moths and helped the darker moths survive and become more abundant.
One could be serious harm to marine animals
