**** NO SOURCE NEEDED JUST WATCH VIDEO*** please answer each question in complete, college appropriate level sentences. 1. After watching the video, state two cultural advancements that you think were the most important in human development. Why do you think they were the most important? 2. The video claims that global population is leveling off due to lower fertility rates? Why do you think this is occurring? 3. As you have learned, there have been many successful human species prior to us, species that had existed longer than we have been in existence. Do you think our culture/technology will be the cause of our extinction? Explain your answer.