Identify and compare the first two viable photographic processes in terms of process, material object, and aesthetics

1.) Identify and compare the first two viable photographic processes in terms of process, material object, and aesthetics.
2.) What is entailed in making a Wet-Plate Collodion negative? Why was this process so advantageous to the development of photography?
3.) What are the key differences as discussed in class between using the terms “Naturalism/Abstraction,” and “Realism/Idealism?” Which of these terms is most important to the drive (impetus/drive) behind the invention of photography?
4.) In your opinion, what is more important: the invention of dry plate/silver gelatin processes, or the invention of the Kodak ‘system.’ Explain your answer.
https://www.youtube.com/watch?v=videoseries