Read the excerpt from the hot zone. jerry was terribly keyed up. in the past he had lectured nancy on the dangers of working with ebola in a space suit, and now he was leading a team into an ebola hell. at the moment, he didn't care what happened to himself, personally. he was expendable, and he knew it. based on context clues, what is the best definition of the word "expendable"?

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude