Examlex
Identify the formula for sulfurous acid.
Mesopotamia
An ancient region in the Eastern Mediterranean known as the "Cradle of Civilization," where the world's first cities, writing systems, and complex societies emerged, located in present-day Iraq and parts of Iran, Syria, and Turkey.
Chronological Order
The arrangement of events in the sequence of their occurrence in time.
Geographical Areas
Defined regions or spaces on the Earth's surface, whether natural or human-made, varying in size and defined by geographic boundaries.
Mutation
The chance alteration of genetic material that produces new variation.
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