Ponyboy is experiencing an conflict between

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

How did geographic isolation affect the islands in the australasia ecozobne?

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons