I am. What do you need help with?
linda understands willy's fear of abandonment, this is reflected in her insistence that Biff be attentive to his father
linda recognizes that willy's fears have turned him into a really flawed person
begs biff to look past those flaws and see the good in his father
Answer:
Cross-sectional research.
Explanation:
Here's a definition: Cross sectional research is a study in which subjects of different ages are compared at the same time.
This is only my opinion, but I would say that the biggest contribution to forensic entomology was done by Jean Pierre Megnin. He did a lot of work on the succession of insects eating corpses, which allowed him to make pretty accurate estimates on the time of death of the person.