What does jack london mean when he wrote "to build a fire"

Read this excerpt from leah missbach day's foreword to wheels of change.as wbr's resident photographer i am privileged to see firsthand the impact bicycles have on the lives of our recipients.why does the author include this excerpt?

To choose a good persuasive essay topic,begin with a big idea,narrow it down,and a.then narrow it down more; it is impossible to have a topic that is too narrow. b.do some research to see what you should write about c.specify-ask a question you want answered in your argument

As a representative of a pharmaceutical company, you have been asked to speak to a group of physicians at a medical conference to introduce a new drug. when discussing how the drug works, which strategy is not appropriate?