Mixed Questions #6

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1. What part of an automobile engine uses lobes to open and close intake and exhaust valves, and allows an air/fuel mixture into the engine?
2. Nvidia's headquarters are based in which Silicon Valley city?
3. America's Strategic Defense System during the Cold War was nicknamed after this famous movie.
4. Where was Nicki Minaj born?
5. Which is the most abundant element in the universe?

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