Help! All incorrect or nonsense answer will sadly be reported and blocked. Thanks for your time and help :-P

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

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

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .