Examlex
Visible light consists of electromagnetic waves with wavelengths (in air) in the range 400 - 700 nm.What are the frequencies of visible light?
Volcanic Activity
The process through which magma and gases rise from the Earth's mantle and crust and are expelled, often building mountains or landforms and occasionally causing eruptions.
Downtown Urban Area
A downtown urban area refers to the central business district of a city, characterized by a high concentration of retail stores, offices, entertainment, and cultural attractions.
Archaeologists
Scientists who study human history and prehistory through the excavation and analysis of artifacts, inscriptions, and physical remains.
Egyptian Kings
Sovereign rulers of ancient Egypt, often referred to as pharaohs, who were believed to be divinely appointed and played a significant role in Egyptian society and religion.
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