The noun clause is <span>how the Aztecs made their astronomical calculations.
</span>Just invert the whole sentence - The subject of my next paper is <span>how the Aztecs made their astronomical calculations.
</span>The whole clause is used as the direct object.
Answer: The answer for Part A is B and then the Answer for Part B is A
Explanation: Because the author is Narrating his life and how it happened and well I hope I help
The first sentence is correct as it includes proper citation
Higher pay in future career, more expansive choice of future career, a bridge between adolescence and adulthood