Sewanhaka High School

The newest? 3 . How many inventions came about between the years 1900 and 1930? Before 1900? Afterl930? 4 . Find the inventors whose names are still on products you buy. (Example: Kellogg) 5 . What Invention from the list are many of you wearing right now? 6 . What Inventor would be listed last in alphabetical order? ................
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