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Compared to the flow of water in streams, most ground water moves relatively slowly.
Dwelling Sites
Locations or places where people live; these can range from temporary shelters to permanent homes.
Excavations
The process of systematically uncovering archaeological sites through the removal of soil and other materials to find evidence of past human activity.
Maya Ceremonial Calendars
Ancient timekeeping systems used by the Maya civilization for religious and ceremonial purposes, including the Tzolk'in and the Haab'.
Obsidian
A naturally occurring volcanic glass formed as an extrusive igneous rock, known for its sharp edges and used historically for making tools.
Q2: The process of deepening of a valley
Q14: The side of a fault above an
Q17: _ coasts are common because sea level
Q18: _ proposed that the three types of
Q29: Weathered volcanic ash and lava produce excellent
Q32: The gravel bed load of a stream
Q39: Earthquakes occur most commonly in the plate
Q40: Sediment may build up off a point
Q43: Artesian wells are associated with confined aquifers.
Q46: The half-life of the carbon 14 isotope