The part that says: "Within these last 19 months at least 45 satellites have circled the earth".
Answer:
B.) Who
Explanation:
The curator of the art museum, who gave a speech last night, will be attending tonight's ceremonies, as well.
The term "that" is a less formal way to put it. And using the term "which" does not make grammatical sense, so your best choice would be "who".
Answer:
In order to write a successful thesis statement: Avoid burying a great thesis statement in the middle of a paragraph or late in the paper. Be as clear and as specific as possible; avoid vague words. Indicate the point of your paper but avoid sentence structures like, “The point of my paper is…”
Explanation:
The Thesis. Statement. The thesis statement is that sentence or two in your text that contains the focus of your essay and tells your reader what the essay is going to be about.
I believe the answer is B, due to having the words being in the right place and making the most sense
