Greatest InventionsOnline version These are some of the greatest Inventions of the 21st Century So Far. Watch the video and answer the questions. by Lorena Florez 1 Nowadays 3-D printing can be used in different fields and industries Select one or more answers a false b true 2 According to the video, what is one of the ways GPS can help us? Select one or more answers a with GPS it's easier to know where your partner is b we can find useful and important places near us c it can help us to contact an emergency number when we get lost 3 Cryptocurrecny can be an option for people who feel their money is not safe in a bank Select one or more answers a true b false c it can help us to contact an emergency number when we get lost 4 The difference between virtual reality (VR) and augmented reality (AR) is that... Select one or more answers a VR immerses you in a virtual world separating you from reality and AR tries to bring VR and reality together in some way b AR immerses you in a virtual world separating you from reality and VR brings virtual elements into the real world c They are basically the same thing 5 Augmented reality can improve training for some professions Select one or more answers a true b false c They are basically the same thing
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