A solar eclipse happens when the moon is infront of the sun as seen from a location on earth
A comma should be after each separate things you are listing. The answer is:
<span>
The
Library of Congress is home to the world's most extensive comic-book
collection, oldest original newspaper collection, and most abundant
collection of cartographic items.</span>
Answer: a. what the author was trying to achieve
Explanation: It's either this one of d. because what the author was trying to achieve is what the authors purpose for writing the work is and an authors work should accomplish or close to accomplish their purpose.
