13.
Which topic is both appropriate and narrow enough for a research paper on geology?
mineral deposits around the world
causes of volcanic eruptions
population growth in the 20th century
plant and animal life in the Pacific Northwest

a. is the correct answer

im not entirely sure what you're asking.

that his long years of service outweigh any faults he may have had.

he wanted to be remembered for the good things he did, one of those being when he gave up office so others would follow suit, but george washington wasn’t a man who thought he was perfect, he knew he made mistakes. he was a very talented soldier with a natural gift of tactic.

a: it is sound because it cites an expert’s opinion.