Each word is first shown as it is commonly misspelled. Is the answer to the question.
Answer:
What book? Can you be more specific with your answer
I believe the answer is: B. To show that Grendel cannot rely on nature for protection
In the story, Grendel perceive that he is blessed by protection from the nature which would always help him in all of his troubles. But when he somehow got his foot stucked in a tree in front of a bull and when he cried and scream for help from the nature, he did not receive any answer.
Your answer is A since it is giving details
one focuses on changes in breathing during exercise while other on changes in heart rate