What was the name of Hewlett-Packard's first successful product?

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Metamorphic, sedimentary, and igneous are types of what?

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In which continent would you find the Congo River?

What city is home to the University of Oregon?

Which desert is the driest on earth?

What European city is nicknamed "Auld Reekie"?

What fruit is a hybrid of the mandarin orange and the grapefruit?

How many pairs of wings does a bee have?

What is measured in Hertz?

Which African country was the setting for the TV serial "The Flame Trees of Thika"?

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Which film director's films include "Raging Bull" and "Goodfellas"?