Answer:
The process that causes some fossils to appear on more than one continent is called what?
Step-by-step explanation:
Two advances in geology in the twentieth century had a great impact on paleontology. The first was the development of radiometric dating, which allowed assigning absolute dates to the geological time scale. The second was the theory of plate tectonics, which helped to make sense of the geographical distribution of past organisms.
The answer is: Plate tectonics.