What contributions did egyptian make to science?

Egyptians made many great advances in science and contributions to the store of human knowledge, especially in medicine and alchemy. The Egyptians also contributed to ancient astronomy and, as with the Mesopotamians, their work was based upon agriculture and predicting the seasons.

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my source was:explorable.com/egyptian-astronomy

the andes or andean mountains (spanish: cordillera de los andes) are the longest continental mountain range in the world, forming a continuous highland along the western edge of south america. this range is about 7,000 km (4,300 mi) long, about 200 to 700 km (120 to 430 mi) wide (widest between 18° south and 20° south latitude), and of an average height of about 4,000 m (13,000 ft). the andes extend from north to south through seven south american countries: venezuela, colombia, ecuador, peru, bolivia, chile and argentina.

from wikipedia

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on the whole, dickens has shown the french revolution and its this site might you. good at his job, and the subject matter he chose,