There is no description so I am not sure, however I believe it is C. Cytoplasm
Answer: disagree
Reasoning: Teachers can proved help that computers can't, as teachers can understand what the student needs help with and motived the student. While computers can understand what the student with teachers can only provide a personalized teaching to the student.
<span><span>"he heard the slap of the window curtains
against the wall and the sound of paper fluttering from his desk,
and he had to push to close the door." quoted from the book</span></span>
It helps us see what they used to since some cave paintings would show them doing stuff so it would tell us what the world was like way back then