What is an example of terrigenous sediment?
a. Diatomaceous earth
b. Manganese nodules
c. Oolite sand
d. Quartz
ANS: D
Terrigenous sediments are derived from the land. Most are components from granite which is the
source of quartz, clay, and estuarine mud. Information can be found in the section Sediments May be
Classified by Source
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Only ________ currently exists as a frontier region where territoriality is undeveloped
A) Antarctica B) Australia C) sub-Saharan Africa D) Siberia E) Northern Canada
One mineral is held together by ionic bonds and the other by covalent bonds. Which is stronger?
A) The one held together by covalent bonds is stronger. B) They are equally weak. C) The one held together by ionic bonds is stronger. D) They are equally strong.
Low-energy coastlines are commonly found in areas along eastern edges of continents
Indicate whether the statement is true or false
What is a point bar?
A. a new, shorter channel across the narrow neck of a meander B. a crescent-shaped meander cutoff C. a sandbar deposited along the inside of stream meanders due to lower velocity D. a flowing network of interconnected rivulets around numerous bars