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Which of the following can be used to increase the conductivity of any semimetal? I.adding an element with one additional valence electron
II) adding an element with one less valence electron
III) lowering the temperature
Early Civilizations
The first advanced and complex societies that developed writing, monumental architecture, and centralized administration, among other characteristics.
Archaeologists
Specialists engaged in the study of human history and prehistory through the excavation of sites and the analysis of artifacts and other physical remains.
Indigenous Groups
Communities native to a particular region or country, often with distinct cultures, languages, and traditions that predate colonial influences.
Southern United States
A region in the United States characterized by its distinct historical, cultural, and environmental attributes, traditionally including states south of the Mason-Dixon Line.
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