There are several ways you can write this and still be grammatically correct.
<em>Hank, I see you are studying very hard.
</em><em>I can see, Hank, that you are studying quite hard.
</em><em>You are studying very diligently, Hank.
</em><em />
They could use the setting to build up tension by having the setting around the main character's dangerous?
Im going to go with b im not 100% sure tho srry if im wrong <span />
I believe Diagram <span>is used to organize information within an informational text.
Diagram is often use to give a sumple summarization for a certain data, that allow the readers to understand it without having to dig deeper on the actual numbers of the data. Diagram technique is preditcted to became popular since the enlightment period.
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