Examlex
How many grams of sodium chloride are needed to make 15 L of a solution that has a concentration of 3.0 g per liter of solution?
Social Stratification
The arrangement or classification of society into hierarchical layers based on aspects like wealth, power, race, or education.
Agricultural Innovation
The process of introducing new ideas, methods, or devices to improve the efficiency and productivity of farming practices.
Raised Fields
Elevated areas of soil created for agricultural purposes, often found in flood-prone regions to improve drainage and soil fertility.
Reservoirs
Artificial or natural lakes used for the storage of water, often created by damming rivers for water supply, irrigation, or hydroelectric power.
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