The concept of overlay in geographic information systems (GIS) refers to the
A) incorporation of multiple types of digital spatial data (maps) in answering research questions.
B) constant, automatic updating of digital spatial data (maps) of the same type with newer data.
C) use of digital spatial data (maps) to identify what lies deep beneath the Earth's surface.
D) inclusion of a grid (such as latitude-longitude or universal Transverse Mercator) on a digital spatial dataset (map).
A) incorporation of multiple types of digital spatial data (maps) in answering research questions.
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France and Britain declared war on Germany after Germany's invasion of Poland
Indicate whether the statement is true or false
Which of the following has NOT been an impediment to achieving regional economic integration throughout the Caribbean?
A) a preference to cooperate with islands that share a common colonial background instead of with neighboring islands B) different languages C) scattered islands making transportation difficult D) limited economic resources E) deep -rooted political violence which has generated historic mistrust between islands
The main hazard that Mount Rainier poses to Tacoma and its suburbs is
A. hot lava flows. B. a hot, glowing lava fountain. C. volcanic mudflows. D. numerous small but deadly pyroclastic flows.
A pesticide that is toxic to many pests and non-pest species, is called a
A. monoapplication. B. natural application. C. pest target. D. broad-spectrum agent. E. narrow-spectrum agent.