Answer:
their common passion for paleontology and mutual disdain for each other fueled their ambition, ultimately leading to the discovery of over a hundred new species in America. At the same time, their bitter rivalry damaged their reputations and left the two almost penniless at their deaths.
The answer is historians. Hope this helps :)
It helps you imagine what they're doing in the story
Viola most likely chose to disguise herself as a man because, at the time, men were viewed as more superior to women and women were often seen as weak and frail compared to men.
Hope this helps!
The answer is going to be B : provides some action for characters as they are speaking