I'm not sure If it's b or d can someone help me out pls. This is integrated Science ​

In which situations is the principle of cross-cutting relationship useful in determining relative age?

In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.