A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
A higher literacy rate will bring about economic success and a higher standard of living
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Agatha Christie was an English detective novelist and playwright. She wrote some 75 novels, including 66 detective novels and 14 short story collections. Christie is perhaps the world's most famous mystery writer and is one of the best-selling novelists of all time.
Explanation:
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Farming, stone buildings, quipus, and stone cutting.
