Examlex
Indian mathematician Brahmagupta described gravity over one thousand years before Isaac Newton.
Stratification
The layering or division of society into classes, or the layering of sediments or particles in geological formations.
Surface Freshwater
Bodies of water found on the Earth's surface, such as rivers and lakes, that contain low concentrations of salt.
Great Lakes
A group of five large freshwater lakes located on the border between the United States and Canada, known for being the largest group of freshwater lakes by surface area in the world.
Canada
A country located in the northern part of North America, known for its vast landscapes, multicultural diversity, and strong national healthcare system.
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