Answer:
A blog.
Step-by-step explanation:
A blog can be defined as an informative or discussion-based website that is updated regularly and published over the internet. The informations that are posted on a blog are usually done chronologically and it includes pictures, videos, music, movies, novels, etc.
In this scenario, Kyra is teaching a photography class. She would like her students to share photos, be able to review other students' photos and offer feedback.
Hence, the technology Kyra should use is a blog because it would avail the users (students) to post photos, make comments on blog posts and review items posted by others.