1) Which invention is crucial for navigation and helped explorers during the Age of Discovery? a) Medicine b) Compass c) Engine d) Plumbing 2) Which invention allowed for the mass production of books and the spread of knowledge in Europe during the Renaissance? a) Wheel b) Printing Press c) Refrigeration d) Communications 3) Which invention made the preservation of food over long periods possible? a) Electricity b) Medicine c) Refrigeration d) Paper 4) Which ancient invention is considered foundational for transportation and machinery? a) Wheel b) Engine c) Electricity d) Paper 5) What invention is essential for the supply of clean water and sanitation in modern cities? a) Paper b) Compass c) Plumbing d) Communications

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