He worked on what?
<He Worked>
Assuming the original sentence is <span><em>As a child, Maria Mitchell studied astronomy with her father William Mitchell, an amateur astronomer</em>, the correct answer here is William Mitchell.
An appositive phrase is used to further describe a particular noun next to it, and is usually separated from the rest of the sentence using commas, as is the case here. The appositive phrase <em>an amateur astronomer </em>refers to the father, William Mitchell.
</span>
Answer:
To explain Thoreau's view that we have a responsibility to act
How about writing an essay on what’s happening in the world at the moment,you can get ideas from the news too!
What is the story that goes along with this?
