Theme is there central idea of the story
I believe the answer should be a) illiteracy. Illiteracy means that a person cannot read or write, so through visual storytelling (pictures) a person would be able to understand a story that may may not have been able to understand if it had been written in words.
Answer:
Scientific,
Explanation:
If the experiments aren't based on science they could easily be changed and get incorrect results.
C, is the best answer. Hope that helps. Xoxo-Vee