1.) A. Compare & contrast
The passage discusses both the similarities and differences between grizzly bears and black bears.
2.) D. To inform the reader of the similarities and differences between the two types of bears
The author provides factual information about the characteristics and behaviors of both species.
3.) C. Adjectives
The words "open" and "mountainous" describe the type of regions where grizzly bears are typically found, making them adjectives.