Which subject area is most important for criminalists? a. psychology b. sociology c. forensics d. political science

I would say Psychology. Criminalists are always studying human behavior and the reasoning behind the actions. Hope this help!

C.forensics

A criminalist analyzes physical data/evidence from a crime scene to gain more insight of a criminal. Forensics do the same exact thing, but instead they go a little more in depth to acquire things such as fingerprints and/or DNA to gain insight of a suspect. Criminalists use forensics all the time to increase knowledge of an accused. 

The object would have to be spherical, orbit the sun, and be traveling in a path with other objects.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's.