The purpose of a diagram in an informational text is to <em>summarize information in a visual way.</em>
An informational text is part of the non fiction category, it aims to share knowledge about the <em>natural or social world</em>. For that instance diagrams come in handy when trying to understand a process description, like photosynthesis.
A diagram can help us understand and remember ideas because it's a <em>graphic aid that sumarizes information</em> using visual resources.
"The space shuttles is the subject."
Simple formula: find the verb of the sentence then ask the question "who or what performs the verb" and the answer to that question is the SUBJECT of that sentence!
In your sentence; ask the question;
"Who or what have made travel to the International space station convenient and possible?
Answer: The space shuttles (that's your subject)
The correct answer should be The way the author conveys themes to the audience through words, the writer's attitude toward the audience and the subject if I remember correctly.
This question is about "Young Goodman Brown"
Answer:
The reality presented by the author means that the character does not know if what he is experiencing is a dream or not. The reader also has this doubt, which ends up creating the mystery of the work.
Explanation:
"Young Goodman Brown" is set in Salem at the time of the witch hunt in the region. In this story, Goodman Brown leaves his family for a mysterious mission in the forest. In this mission, the author exposes the discrepancy between the goodness and the badness of the human being, portraying a complex, fragmented and symbolic reality, which makes Goodman Brown unable to know whether he is dreaming or not. This mystery is so wide open that it infects even the reader.