According to "A Daring Rescue," what is the BEST explanation for why the highest 5.000 feet of Mt. Everest are called the "Death Zone?

Review the passage from “the listeners.” for he suddenly smote on the door, even louder, and lifted his head: — "tell them i came, and no one answered, that i kept my word," he said. based on this passage, what is the best inference about the man?

How does the author use the character of torvald helmer to explore a social use? -by revealing the changes that can happen to a person who has gotten wealthy quickly - by revealing attitudes related to spending and saving that men held during the victorian era -by revealing the bad financial advice that was given to many people in the victorian era -by revealing the hardships that fell on many people who lived during the victorian era

Experiments were conducted to try to teach chimpanzees sign language