What year was the first cell phone invented?, 1984, 1950, 1989, 1978, 1967, 1954, What year did the Mayan empire end?, 840 DS, 980 DS, 850 DS, 830 DS, 845 DS, 820 DS, What year was the first computer invented?, 1978, 1996, 1954, 1934, 1945, 1987, it is true that Michael Faraday was the first to discover electricity, no , yes , l don't know, What year did the dinosaurs go extinct?, 70 million years ago, 45 million years ago, 33 million years ago, 66 million years ago .

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