The essential appositive in the sentence "astronomer maia mitchell discovered a comet in 1847 and went on to become the first professional female astronomer in the united states," is Maia Mitchel. The last option is correct.
An appositive consists on a noun or noun phrase that renames another noun right beside it. The appositive can be a short or long combination of words.
In this particular case, the words Maia Mitchell which is a proper noun is renaming the noun astronomer, which is right before it and constitutes the subject of the sentence.
Agatha feels she has to run away to avoid marriage because she doesn't have a choice. She is not allowed to choose who she marries. This shows that in Ancient Greek culture marriages were arranged for the women. They were not given a choice to marry for love. Also, this shows that marriage is something that is expected once a person reaches a certain age.
Answer: I do not know if this is a multiple choice question or not, but I would contend that through his numerous science works he broadly influenced modern science and sparked the interest, and even the fascination, of the public in the subject.
Explanation: American writer and university professor Isaac Asimov (1920-1992) wrote and edited hundreds of science-fiction and popular science books (and also books on many other topics) for the broad public, which made science and technology more accessible and understandable, and changed the way people thought about those disciplines. His view of robots was particularly influential: he humanized them and contributed to their depiction and their profusion in public culture.
