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What is the formula for dibromine heptoxide?
Mesoamerica
The region that comprises Mexico, Guatemala, Belize, Honduras, and the Pacific coast of El Salvador.
Deciphering
The process of interpreting or making sense of text, symbols, or codes that are not immediately understandable.
Great Serpent Mound
A prehistoric effigy mound in Ohio, USA, which depicts a giant serpent, often interpreted as an astronomical or religious symbol.
Halley's Comet
A short-period comet visible from Earth every 75-76 years, known for its spectacular sightings throughout human history.
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