Why were the narrator and Antonia so cautious when they rode north to the big prairie-dog town?
a The earth owls were known to be dangerous.
b The prairie dogs were known to be dangerous.
c The rattlesnakes were known to be dangerous
d All the animals north of the prairie dog town were known to be dangerous

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.