Answer:
Lowell’s study of Mars eventually led to the discovery of Pluto, which was later downgraded to a dwarf planet.
Explanation:
With what I know, which is very little seeing as I didn’t read the passage, I would say this is the best/closest answer listed. It explains what happened in the passage with as much information as they could put into one sentence without giving too little or too much. I’m sorry if it isn’t correct!
Ancestors, disastrous, summit and dawn based on the context
The right answer for the question that is being asked and shown above is that: "c. Database research." The charges a fee for access to read, research, or copy articles and other published materials is the <span>c. Database research</span>